Herbs
Growing herbs can be a fun and easy way to add some flavor and color to life. Whether you want to enjoy blooms buzzing with bees and butterflies, fill your spice rack up from home or just enjoy a sprig of fresh mint in your favorite drink, growing herbs can be fun for everyone. Make sure to keep your expectations inline with your hardiness zone and know that while you can grow most herbs in Idaho, they may not grow as large or last through the winter like they do in other places.
- Aromatic and medicinal plant index, Purdue University
- Culinary herbal presentation, Utah State University
- Growing herbs at home, University of Missouri Extension
- Growing herbs in the home garden, Cornell University
- Growing herbs, Purdue University
- Herb container gardens, Utah State University
- Herb gardening, University of Illinois
- Herbs and spices, Oregon State University
- Kitchen herb garden, Washington State University
- The Herb Society of America
This information is intended for educational purposes only and should not be considered as a recommendation or an endorsement of any particular medical or health treatment.
Anise Hyssop
View ProfileBasil
View ProfileBee Balm
View ProfileBorage
View ProfileBurnet
View ProfileCaraway
View ProfileCatnip
View ProfileCeleriac
View ProfileChamomile
View ProfileChervil
View ProfileChicory
View ProfileChives
View ProfileCilantro
View ProfileComfrey
View ProfileDill
View ProfileFennel
View ProfileFenugreek
View ProfileFeverfew
View ProfileGermander
View ProfileGinger
View ProfileHorehound
View ProfileHorseradish
View ProfileLavender
View ProfileLemon Balm
View ProfileLemongrass
View ProfileLemon Verbena
View ProfileLicorice root
View ProfileLovage
View ProfileMarjoram
View ProfileMint
View ProfileOregano
View ProfileParsley
View ProfilePatchouli (low pH)
View ProfileRosemary
View ProfileSaffron
View ProfileSage
View ProfileSavory
View ProfileStar Anise
View ProfileStevia
View ProfileTarragon
View ProfileThyme
View ProfileTurmeric
View ProfileValerian
View ProfileAnise Hyssop
Anise Hyssop is a perennial herb (in most parts of Idaho) that many enjoy growing for the tall, blue-purple flowers and for the bees and birds it will bring to the garden. The plant can become very large for a small flowering plant and is a favorite in perennial beds and pollinator gardens.
Size
- 2-4 feet tall, 1-3 feet wide
Light
- Full sun
Water
- light or sandy soil, can't tolerate heavy soil
Soil pH
- Neutral
Bloom time
- Summer
Color
- Blue, pink, purple, white
USDA Zone
- 3-8
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Basil
Basil is an annual plant and a favorite of many herb gardeners. It can be grown in the garden or in a container indoors. Basil is known for its smooth, oval leaves with their strong aroma and taste.
Size
- 18-24 inches tall, 18 inch spread
Light
- Full sun (may bolt less in partial shade)
Water
- Moist, good drainage
Soil pH
- Acidic — Alkaline
Pruning
- You need to cut off any flowers or buds that appear on your basil plant for it to continue to produce the tender leaves desired for cooking. Once the plant successfully produces flowers and seed, it will turn woody and die off.
USDA Zone
- 10-11, Idaho Annual
Diseases
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Bee Balm
Bee Balm or Monarda is a perennial plant (zones 4 plus) and is popular for it’s brightly colored blooms. Many plant these flowers just for enjoyment or to attract bees and birds to the garden. Bee balm can also be used in teas or distilled as an oil for it’s scent.
Size
- 2-4 feet tall, 2-3 feet spread
Light
- Full sun — part shade
Water
- Moist, good drainage to avoid powdery mildew
Soil pH
- Acidic — neutral
Bloom time
- Summer
Color
- Pink, purple, red
Pruning
- Dead heading or removing of dead or dying blossoms can promote continuous blooming.
USDA Zone
- 4-9, annual in cooler zones
Diseases
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Borage
Borage is an annual herb with pretty purple-blue flowers. It has been cultivated for years for its medicinal properties, but also to be used as a garnish and decoration, both fresh and dried. Borage attracts bees with it's purple-blue flowers. Be cautious to deadhead before seed drop if you don't want borage in the same spot next year.
Size
- 1-3 feet tall, 9-18 inches spread
Light
- Full sun — part shade
Water
- Good drainage
Soil pH
- Any
Bloom time
- Summer
USDA Zone
- 2-11
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Burnet
Burnet is a perennial in zones 4-8, will be an annual in cooler zones. It is grown for it's attractive foliage, fun flowers and for its edible leaves.
Size
- 9-24 inches tall, will continue to spread, each plant can reach 1-2 feet wide
Light
- Full sun — part shade
Water
- Medium, good drainage
Soils pH
- 6.0-8.0
Pruning
- Can divide or cut back
Diseases
- Prone to leaf spot if kept too damp
Preservation and use
- Can use leaves in salad
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Caraway
Caraway is a biennial. Plant outside in fall for seeds the next summer.
General care
- Herbs and spices, Oregon State University
- Culinary herbal presentation, Utah State University (PDF)
- Herb gardening, University of Illinois Urban Extension
- Growing herbs at home, University of Missouri Extension
- Herb container gardens, Utah State University (PDF)
- The Herb Society of America
- Aromatic and medicinal plant Index, Purdue University
- Growing herbs, Purdue University (PDF)
- Growing herbs in the home garden, Cornell University (PDF)
- Kitchen herb garden, Washington State University
Size
- .5-2 feet tall
Light
- Sun — part shade
Water
- Moist, good drainage
Soil pH
- Neutral — alkaline
Pruning
- Dead heading or removing of dead or dying blossoms can promote continuous blooming.
USDA Zone
- Biennial, hardy to zone 4
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Catnip
Catnip is often grown for its fun blooms, it's attraction to bees and other pollinators, and for cat owners to please their pets. Catnip is a perennial plant in most of Idaho and will come back with vigor.
General care
- Herbs and spices, Oregon State University
- Culinary herbal presentation, Utah State University (PDF)
- Herb gardening, University of Illinois Urban Extension
- Growing herbs at home, University of Missouri Extension
- Herb container gardens, Utah State University (PDF)
- The Herb Society of America
- Aromatic and medicinal plant Index, Purdue University
- Growing herbs, Purdue University (PDF)
- Growing herbs in the home garden, Cornell University (PDF)
- Kitchen herb garden, Washington State University
Size
- 2-3 feet tall, 2-3 feet spread
Light
- Full sun
Water
- Good drainage
Soil pH
- Acidic — alkaline
Bloom time
- Spring — fall
Color
- Purple
USDA Zone
- 3-7
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Celeriac
Celeriac is not the same as celery. It can be called root celery or knob celery. It's root has a lovely, crisp celery taste and may be easier to grow in our hot dry summers.
Size
- 3 inches tall
Light
- Full sun — part shade
Water
- Moist to damp
Soil pH
- 6.0-7.0
USDA Zone
- 7 plus for fall sewing
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Chamomile
Chamomile is an annual, but will aggressively reseed itself to come back year after year. Many gardeners enjoy growing chamomile its cute, daisy like flowers and for its uses in teas and cooking. Roman Chamomile is a perennial in zone 5+.
Size
- .5-2 feet tall, 6-12 inches spread
Light
- Full sun
Water
- Can tolerate moist to dry
Soil pH
- Acidic — slightly alkaline
Bloom time
- Spring — fall
Color
- White and yellow
Pruning
- Dead heading or removing of dead or dying blossoms can promote continuous blooming
USDA Zone
- 2-9, 5 plus for perennial Roman chamomile
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Chervil
Chervil is a sweet herb, often grown to sweeten teas and other drinks. It looks a lot like parsley and is said to taste like parsley and licorice. Chervil will bolt easily, so grow in cooler seasons.
Size
- 6-12 inches tall and wide
Light
- Full sun — shade
Water
- Moist, good drainage
Soil pH
- 6.5-7.0
Pruning
- Remove any flower buds as soon as you see them to keep the plant from bolting
USDA Zone
- 3-7
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Chicory
Chicory is a perennial plant grown for it's root, not to be confused with the leafy vegetable chicory (endive). It has sweet little blue flowers that look like asters.
Light
- Full sun
Water
- Moist but not wet, higher water needs to not get bitter root
Soil pH
- 5.5-7.0
Bloom time
- Summer — fall
Color
- Blue, purple
USDA Zone
- 3-10
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Chives
Chives are a perennial plant in the onion family. Their tube like leaves are cut for their flavor and added to many dishes. Chives have purple pom-pom like flowers that bloom in the spring. Harvest chives early to avoid woody stems.
Size
- 12 inches tall, will continue to spread wider each year
Light
- Full sun — part shade
Water
- Good drainage
Soil pH
- Acidic — neutral
Bloom time
- Early summer
Color
- Purple
USDA Zone
- 3-9
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Cilantro
Cilantro is an annual herb, grown for both it's leave and it's seeds (coriander) and served in many dishes. Cilantro is fairly easy to grow but will bolt in the hot months of the summer. Many beneficial insects are attracted to the blooms of the cilantro plant.
Size
- up to 2 feet tall, 10-24 inches spread
Light
- Full sun — part shade, shadier areas may help prevent bolting.
Water
- Moist, good drainage, does best in loam or plenty of organic matter
Soil pH
- Acidic — neutral
Bloom time
- Summer
Color
- White
Pruning
- Remove any flower buds as soon as you see them to prevent bolting, unless you are growing for the seeds
USDA Zone
- 2-11
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Comfrey
Comfrey is a perennial herb with beautiful small flowers that many gardeners enjoy. It also has a very extensive root system, making it hardy but difficult to get rid of, so plant with caution. Comfrey is toxic to humans and pets, so plant with care
Size
- 1-3 feet tall, .5-3 feet spread
Light
- Full sun — part shade
Water
- Good drainage
Soil pH
- Neutral
Bloom time
- Spring
Color
- Blue, pink, purple, white
Pruning
- After the first full year, prune comfrey back to just a few inches above the ground to promote young, healthy growth
USDA Zone
- 4-8
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Dill
Dill is an annual herb that is very easy to grow. In fact, once you start growing it, you may never stop. Though many home gardeners enjoy growing dill for it's fun visual texture and for it's uses in cooking and pickling. Both the seeds and stems can be used in food.
Size
- 2-5 feet tall, 1-3 feet spread
Light
- Full sun
Water
- Good drainage
Soil pH
- Acidic — neutral
Bloom time
- Late summer
Color
- Yellow
USDA Zone
- 2-11
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Fennel
Known for its plump bulb and feathery leaves, fennel is grown as a vegetable (bulb) and as an herb or spice (leaves and seeds). Fennel can also be grown for the pure aesthetic of its unique form. Fennel adds a licorice like flavor to dishes when cooked.
General care
- Common fennel, Washington State University
- Fennel, Utah State University
- Fennel in the garden, Utah State University (PDF)
- Choosing and growing adapted vegetable varieties, BUL863
- Designing an edible landscape in Idaho, BUL921
- Short-season vegetable gardening, PNW497
- Spring vegetable planting guide for Idaho, BUL965
- Start seeds indoors with success, CIS1209
Soils and fertility
Diseases
Pests
Preservation
Fenugreek
Fenugreek is a tender annual in the legume (bean) family. The plant is very similar to clover. Seeds are said to taste like maple syrup.
Size
- 2-3 feet tall
Light
- Full sun — part shade
Water
- Moist, well drained
Soils pH
- 6.0-7.0, well drained loamy soil
Pruning
- As an annual in Idaho, pruning won't be necessary
Diseases
- Susceptible to rust
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Feverfew
Feverfew is a short lived perennial, zones 5-10. Will be an annual in cooler zones of Idaho. This daisy like plant has been cultivated for thousands of yeas on several continents.
Size
- Up to 2 feet tall
Light
- Full sun — part shade
Water
-
Wet — medium, well drained
Soil pH
-
6.0-7.0, prefers soil rick in organic material — so add some compost
Bloom time
- Throughout summer
Color
- White, yellow
Pruning
- Short lived enough that pruning isn't usually necessary
USDA Zone
- 5-10
Diseases
- No notable disease issues
Preservation and use
- Feverfew does bloom significantly more in its second season, so if you're in a cooler zone, consider potting and bringing indoors for winter.
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Germander
Germander is a perennial with many different species. This perennial has pink to purple flowers and smells slightly like sage. Even if you're not into herbs, this can be a fun border plant.
Size
- 1-6 feet tall and wide, depending on variety
Light
- Full sun
Water
- Medium — dry
Soils pH
- 6.0-8.0 pH
Bloom time
- Mid summer
Color
- Blue, pink, purple, white
Pruning
- Can divide after first year, can also be cut back to desired size
USDA Zone
- 5-9
Diseases
- Susceptible to mildew if kept too moist
Preservation and use
- Extensive use of Germander in herbal teas or remedies has been linked to severe liver issues
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Ginger
Ginger is a perennial annual in Idaho. Ginger is very popular tuber to use in cooking, especially in Asian cuisine. It's best if purchased in the fall, kept indoors and planted out in the spring. Ginger needs a good 10 month growing season, so in many parts of Idaho, some of it's growing with have to be done indoors or in a greenhouse type situation.
Size
- 3-4 feet tall, in warmer zones, rhizomes will spread
Light
- Full sun — part shade
Water
- Plenty of water, but not soggy
Soils pH
- Needs organic rich soil — do not skimp on compost or fertilizer
Diseases
- Susceptible to bacterial wilt
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Horehound
Horehound is a perennial in zones 3-9, so almost every zone in Idaho. Horehound is especially known for its namesake candy made from the herb with its bitter licorice like flavor.
Size
- 30 inches tall, will spread
Light
- Full sun
Water
- Very drought tolerant
Soils pH
- Will grow in almost any soil
Bloom time
- All through summer
Color
- Flower is white to yellow, nondescript
Pruning
- Can trim to desired size
Diseases
- Not susceptible to any notable diseases
Preservation and use
- Horehound in the Garden, Utah State University
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Horseradish
Horseradish is a perennial plant in Idaho. This plant is grown for its roots with their spicy, tangy bite. This plant will spread readily, so plant with caution.
Size
- 12-18 inches tall
Light
- Full sun
Water
- Drought tolerant
Soils pH
- 6.0-7.5
USDA Zone
- 3-9
Diseases
- Can be susceptible to verticillium wilt
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Lavender
Lavender is a perennial, though there are many varieties that will not tolerate cooler climates in Idaho. This is a favorite plant for its beautiful purple blooms and strong scent. Many home gardeners enjoy growing lavender.
Size
- 1-3 feet tall and wide, will get wider each year
Light
- Full sun
Water
- Well drained soil, drought tolerant
Soils pH
- 6.5-8.0
Bloom Time
- Throughout summer
Color
- Blue, purple, white
Pruning
- Bunches of lavender can be harvested for the flowers and leaves. Bunches should be cut back slightly each spring to eliminate the winter die-off and give pleasing shape.
USDA Zone
- some 5-9, some are only hardy to zone 7 and some special varieties are now hardy to zone 4
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Lemon Balm
Lemon balm is a perennial in the mint family, meaning it will grow vigorously and spread. Bees love this flower and people enjoy the smell.
Size
- Up to 3 feet tall, will spread
Light
- Full sun
Water
- Moist, well drained
Soils pH
- 6.5-7.0
Bloom Time
- Mid summer
Color
- Purple, white
USDA Zone
- 4-9
Diseases
- Can get powdery mildew — take care to not over water to avoid mildew
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Lemongrass
Lemongrass is a perennial but only in very warm climates, not in Idaho. It can still be enjoyed as an annual throughout the summer. The smell is wonderful and it grows as a nice bunch grass.
Size
- Up to 3 feet tall in Idaho summers
Light
- Full sun
Water
- Lemongrass comes from tropical environments and thus needs quite a bit of water
Soils pH
- 6.5-7.0
USDA Zone
- 9-10
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Lemon Verbena
Lemon Verbena is a perennial plant, but lives as an annual in all zones of Idaho. This plant is grown for its pretty little flowers and wonderful smell. This is a great plant to put in pots and planters, and can be grown indoors with plenty of light.
Size
- Shrubs can reach enormous sizes, but when grown as an annual, it will not achieve its full potential, only reaching about 12 inches tall and spreading along the ground
Light
- Full sun
Water
- Moist
Soils pH
- 6.5
Bloom Time
- Throughout summer
Color
- Blue, pink, purple, red, white
USDA Zone
- 8 plus, annual in Idaho
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Licorice root
Licorice root is a perennial in only the warmest zones of Idaho. It can be grown as an annual in cooler zones. This is a large plant with fun flowers and a delicious smell.
Size
- Up to 6 feet tall, will spread
Light
- Full sun — part shade
Water
- Drought tolerant
Soils pH
- 5.5-8.2
Bloom Time
- All summer
Color
- Pink, purple, white
Pruning
- Can prune to desired size
USDA Zone
- 6-11
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Lovage
Lovage is a large perennial plant. This herb is very popular for cooking in Europe, with a celery like flavor and maple syrup smell. The fun-shaped leaves make a fun addition to a vegetable garden or decorative flower garden.
Size
- Up to 6 feet tall, 2 feet wide
Light
- Full sun
Water
- Moist, well drained — may need extra water to not wilt in extreme heat
Soils pH
- 6.0-7.0
Color
- White, yellow, nondescript
Pruning
- Can cut back as needed throughout the summer
USDA Zone
- 3-9
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Marjoram
Sweet marjoram is a popular herb in Mediterranean cuisine. This interesting herb can be grown as an annual in Idaho. Marjoram is similar to Oregano, though not as hardy.
Size
- 1-2 feet tall, will spread a little throughout summer
Light
- Full sun
Water
- Medium — dry
Soils pH
- 6.7-7.0
Bloom Time
- Later summer
Color
- Purple, white
USDA Zone
- 7 plus, grown as annual in Idaho
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Mint
Mint is a hardy and voracious perennial in most places in Idaho. There are many types of mint that can be grown — know what you are getting. Also be aware that mint will spread and take over any area you put it in.
Size
- 12-24 inches tall, will spread a lot
Light
- Full sun
Water
- Moist
Soils pH
- 6.0-7.5
Bloom Time
- Mid summer into fall
Color
- Pink, purple, white
Pruning
- Can cut more vigorously to prevent spreading — you may want to deadhead flowers to reduce reseeding
USDA Zone
- 3-11
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Oregano
Oregano is a perennial in most zones of Idaho. It's a small woody shrub with little purple flowers and a gorgeous smell. This is a good addition to herb beds and ornamental beds.
Size
- Up to 2 feet tall and 18 inches wide
Light
- Full sun
Water
- Drought tolerant, once established
Soils pH
- 6.5-7.0
Bloom Time
- Mid summer into fall
Color
- Blue, pink, purple, white
Pruning
- If harvesting for leaves — you will want to pinch off flowers as they come on
USDA Zone
- 5-10
Diseases
- Can be susceptible to fungal issues if kept too wet
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Parsley
Parsley is a popular annual plant to grow for the kitchen. There are many different varieties to try. They smell nice and have fun foliage to add texture to your garden.
Size
- 12-24 inches tall
Light
- Full sun
Water
- Moist
Soils pH
- 6.0-7.0
Bloom Time
- Will bloom in early summer, but blooms need to be pinched off and kept at bay if you will harvest the parsley for eating
Color
- White
Pruning
- Harvest regularly and pinch off any flowers before they bloom
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Patchouli (low pH)
Patchouli is a voracious perennial that thrives in acidic soils — making it unsuitable to grow in much of Idaho. It is a popular herb grown for its smell. It thrives in warmer zones and will be an annual in all parts of Idaho.
Size
- 1-3 feet tall
Light
- Full sun
Water
- Moist, well drained
Soils pH
- 5.5-7.5
Bloom Time
- Mid summer
Color
- White
USDA Zone
- 9 plus
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Rosemary
Rosemary must be grown indoors or as an annual in many parts of Idaho. This is a very popular herb to grow for home cooking. It needs lots of sun, making it difficult (but not impossible) to grow indoors.
Size
- Can achieve large size in warmer zones when grown as a perennial — 6 feet tall and 4-5 feet wide. It will not reach that potential in cooler zones staying closer to 12-24 inches tall and 12 inches wide.
Light
- Full sun
Water
- Moist
Soils pH
- 6.0-7.0
Bloom Time
- Early summer
Color
- Blue, pink, purple, white
Pruning
- Should be pruned in fall to control size and promote vigorous fresh growth in the new year
USDA Zone
- 6b plus
Diseases
- Susceptible to fungal diseases, don't over water
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Saffron
Saffron is a perennial corm that blooms very early in the year. The stamens are harvested for culinary use. Less hardy than most crocus.
Size
- Up to 6 inches tall
Light
- Full sun
Water
- Good drainage, medium needs
Soils pH
- 6.8-7.8
Bloom Time
- Late winter — early spring
Color
- Purple
USDA Zone
- 5-8
Diseases
- Rodents love, susceptible to mites
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Sage
Sage is a perennial in most parts of Idaho. This small, woody shrub is popularly grown for its culinary use, but is also a lovely plant with soft leaves and purple flowers.
Size
- Up to 2 feet tall, up to 3 feet spread
Light
- Full sun
Water
- Moderate water needs
Soils pH
- 6.0-7.0
Bloom Time
- Mid to late summer
Color
- Blue, pink, purple
Pruning
- Prune back to desired size
USDA Zone
- 4-8, variety dependent
Diseases
- Susceptible to leaf spot, especially when over watered
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Savory
Savory is an annual herb, popular in French cuisine. This plant has a similar look to flax with spindly leaves and small flowers. A fun addition to any herb garden.
Size
- 12-24 inches tall
Light
- Full sun
Water
- Good drainage, somewhat drought tolerant
Soils pH
- 6.7-7.3
Bloom Time
- Throughout summer
Color
- Pink, purple, white
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Star Anise
Star Anise is a perennial in warmer zones of Idaho. It can be grown as an annual in cooler zones, but needs a long growing season to produce seed pods.
Size
- A sizeable shrub when grown in warm zones — up to 15 feet tall.
Light
- Full sun — full shade
Water
- High water needs
Soils pH
- 6.3-7.0
Bloom Time
- Spring
Color
- Pink, red, white
Pruning
- Doesn't need to be pruned, but can be hedged or in the technique of espalier.
USDA Zone
- 6-9
Diseases
- Susceptible to downy mildew
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Stevia
Stevia is grown as an annual in Idaho. Start indoors for best results as stevia require a long growing season. Stevia is grown for its sweet leaves.
Size
- In one growing season, up to 2 feet tall and 12 inches spread
Light
- Full sun
Water
- Moist, well drained
Soils pH
- 6.5-7.5
Bloom Time
- Late summer into fall
Color
- White, insignificant
USDA Zone
- 8 plus
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Tarragon
Tarragon is a perennial in most zones of Idaho. This large, herbaceous plant is mostly grown for culinary use, but can add textural variety to flower beds with it's thin, wispy leaves. Some varieties are also very fragrant, especially in the wind.
Size
- Up to 4 feet tall, will spread in width from year to year, up to 12 inches spread the first year
Light
- Full sun — part shade
Water
- Dry, will not tolerate wet soil
Soils pH
- 6.5-7.5
Bloom Time
- Late summer
Color
- White, yellow, insignificant
Pruning
- can prune to the ground regularly
USDA Zone
- 4 plus
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Thyme
Thyme is a perennial in many zones of Idaho. There are many varieties of thyme from the shrub variety grown for culinary use to the creeping thymes used as ground cover for their hardiness and drought tolerance.
Size
- Very variety dependent, some can reach up to 12 inches tall and 12 inches spread, some remain very low growing but spread rapidly
Light
- Full sun
Water
- Drought tolerant
Soils pH
- 6.0-8.0
Bloom Time
- Early summer
Color
- Blue, pink, purple, white
Pruning
- Can prune back to desired size
USDA Zone
- 5 plus
Diseases
- Susceptible to fungal conditions, especially if kept in damp conditions
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Turmeric
Turmeric will grow well only in the very warmest zones of Idaho. Turmeric needs 8-10 months of growth to develop the tuber needed for culinary use. Turmeric can be grown in a container setting, but needs very good drainage and ample sunlight, making growth indoors challenging. Turmeric also prefers a slightly acidic soil, making it difficult to grow in many regions of Idaho with alkaline soil and water.
Size
- Up to 3 feet tall
Light
- Full sun — part shade
Water
- Good drainage, doesn't like to be wet, but drought stress during the bulk of tuber growth will result in an undesirable tuber
Soils pH
- 5.5-6.5
Bloom Time
- Late summer
Color
- Pink, red, white
USDA Zone
- 8-10
Diseases
- Susceptible to rhizome rot, bacterial wilt
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University
Valerian
Valerian is a perennial herb, grown for it's interesting showy flowers. Use extreme caution with valerian as ingestion can cause adverse side effects.
Size
- Up to 5 feet tall, will spread over time, can become weedy
Light
- Full sun — part shade
Water
- Moderate, good drainage
Soils pH
- 6.0-7.0
Bloom Time
- Early summer
Color
- Pink, red, white
Pruning
- Should be cut down in fall
USDA Zone
- 3-9
Preservation and use
- Aromatic and medicinal plant index, Purdue University
- Homegrown teas, University of Vermont Extension
- Edible flowers, Colorado State Extension (PDF)
- Edible flowers, Iowa State University Extension (PDF)
- Herbs: Preserving and using, Colorado State University
- Kitchen herb garden, Washington State University