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Herb Plants for Zone 6

What is a Plant Hardiness Zone?

Essentially, the USDA and Harvard’s Arnold Arboretum established a set of guidelines starting in 1960 (a Zone Map) to help gardeners figure out how well a plant would survive the winter cold in their area of the USA. They looked at historical weather patterns, utilized sophisticated equipment, and divided the US into 13 zones, which differ by 10 degrees Fahrenheit. The current map also further divides these zones into A & B, which differ by 5F.

This provides gardeners the exact coldest average temperatures for their zip code and latitude/longitude. This can help determine which are the best annual and perennial herbs to plant outside. Knowing your zone can help you plant in the spring and in the fall. There are many hardy herbs to choose from for growing in zone 6.

Growers Exchange specializes in herb plants - whether you choose from our culinary, medicinal, flowering, aromatic, native, rare or exotic plants, rest assured that we are committed to a greener way of growing. All our herbs are non-GMO. We are committed to sound growing practices and have been since the day we started.

Please Note: We sell plants online, NOT seeds. Our plants are well rooted and ready to plant - our standard pot is 3.5 inches. After you buy, we will ship our plants when they are ROOT READY. They will have good top growth unless they are coming into or out of dormancy. We grow all of our plants to the point that they are ready to go into the ground or a container.

Below are the herb plants we recommend for plant hardiness zone 6:

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Achillea millefolium Achillea Millefolium (Yarrow)

Beautiful in dried bouquets ~ perfect companion plant in the garden!

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Agrimony Agrimony

Agrimony is a wonderful hardy perennial herb from Europe with healing properties.

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Amsonia Blue Ice Amsonia 'Blue Ice'

Very adaptable majestic landscape plants.

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Angelica Angelica

Chartreuse blooms makes Angelica a stunning addition to your herb garden.

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Anise Hyssop Anise Hyssop

Anise Hyssop is an attractive honey plant - bees love it!

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Arnica montana Arnica

Arnica, also known as Leopard's Bane, is a wonderful medicinal herb plant.

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Artemisia 'Sweet Annie' Artemisia 'Sweet Annie'

An aromatic natural pest repellent and everlasting scent for dried wreaths and crafts!

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Wormwood Artemisia 'Wormwood'

A bushy, woody-based perennial grown for its aromatic silvery foliage.

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Arugula Lettuce Plant Arugula Lettuce Plant

A nutritious peppery lettuce that grows very easily!

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Asclepias Hello Yellow Asclepias 'Hello Yellow'

An easy to grow native plant that will thrive in a hot and dry spot.

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Asclepias tuberosa Asclepias 'Tuberosa'

Extremely attractive to butterflies and other pollinators.

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Asclepias incarnatat, Rose Milkweed, Swamp Milkweed Asclepias incarnata

NEW! Swamp Milkweed (aka Rose) is a lovely US native that is a popular pollinator plant

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Asclepias Syriaca Asclepias syriaca

NEW!  AKA 'Common Milkweed', is the only source of food for the Monarch butterfly.

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Asclepias Verticillata Asclepias Verticillata 'Whorled Milkweed'

NEW! This variety of Asclepias blooms later in the season

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Ashwagandha Ashwagandha

One of the most potent medicinal herb in Ayurvedic medicine, also known as Winter Cherry.

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Aster Moench Plants Aster 'Moench'

NEW!  This fall blooming perennial provides
elegant, cool lavender-blue single flowers with gold centers.

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Basil 'Amethyst' Basil 'Amethyst'

Amethyst's deep purple blooms will add a lovely contrast to your garden and wonderful flavor to your favorite dish!

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Basil 'Eleonora' Basil 'Eleonora'

Basil 'Eleonora" is the first basil grown to resist the Basil Downy Mildew disease.

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Basil 'Genovese' (Sweet Basil) Basil 'Genovese' (Sweet Basil)

Basil 'Genovese' is a favorite for authentic Italian basil flavor and aroma. Perfect for pesto!

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Basil 'Italian Large Leaf' Basil 'Italian Large Leaf'

Italian Large Leaf Basil is a sweet basil with larger leaves than most basil varieties that will yield you tons of flavor!

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Basil 'Lemon Sweet Dani' Basil 'Lemon Sweet Dani'

A must for the basil lover looking for a vigorous and delicious lemon basil.

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Ocimum Basilicum Piccolino Basil Basil 'Piccolino'

NEW! - Full basil flavor in a wonderfully compact plant, perfect as a potted plant!

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Basil 'Siam Queen' (Thai Basil) Basil 'Siam Queen' (Thai Basil)

This delicious Thai basil has a distinct licorice flavor and beautiful purple blooms!

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Basil 'Holy Green' Basil Tulsi ('Holy Green')

The authentic Tulsi (Holy) Basil used in many religious and spiritual ceremonies!

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Bergamot (Bee Balm) Bergamot (Bee Balm)

2013 Notable Native Herb by the Herb Society of America, we're honored to be their exclusive grower!

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Betony Betony

Well known for its medicinal benefits and beauty in the garden, this tisane is caffeine free and can ease headaches.

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Borage 'Blue' Borage 'Blue'

A beautiful, beneficial companion plant and refreshing culinary herb.

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Buddleia 'Black Knight' Buddleia 'Black Knight'

Buddleia 'Black Knight' offers rich, aromatic purple blooms that will continue all summer and attract lots of wildlife!

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Buddleia 'Royal Red' Buddleia 'Royal Red'

Buddleia 'Royal Red' produces lovely wine-red to fuchsia colored blooms that smell amazing all summer long!

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Calendula Calendula

A gentle but potent medicinal herb, these beauties are also wonderful culinary herbs and companion plants.

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Cardoon 'Porto Spineless' Cardoon 'Porto Spineless'

Cardoon 'Porto Spineless' is a beautiful edible with buds that resemble artichokes both in look and taste.

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Catgrass Cat Grass

Give your indoor kitties a healthy alternative to nibbling on harmful houseplants with our nutritious cat grass!

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Catmint Catmint

Easy to grow, your kitties will love this hardy perennial, whether fresh or dried!

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Catnip Catnip

Catnip is a vigorous, high yielding plant that your kitty will love!

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Catnip 'Lemon' Catnip 'Lemon'

This lemon-scented Catnip will drive your kitties wild! It's even a natural insect repellent!

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Chamomile 'Common' Chamomile 'German'

A wonderfully aromatic ground cover that naturally repels pests and doubles as potent medicinal herb!

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Chamomile 'Roman' Chamomile 'Roman'

This perennial variety makes a wonderful ground cover, a soothing tea and a great skin treatment for sunburns!

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Chervil Chervil

Chervil lends a light anise flavor to dishes and is a key ingredient in French cuisine!

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Chili Pepper Chili Pepper 'Cheyenne'

Great for beginner gardeners!

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Chives Chives

A more subtle flavor than its cousin, the onion, Chives are easy to grow and contain natural antioxidants.

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Chives, Garlic Chives, Garlic

Subtle garlic flavoring that will add wonders to soups, eggs, potatoes and more, without overpowering the dish.

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Chives, Geisha Chives, Geisha

Subtle garlic flavoring that will add wonders to soups, eggs, potatoes and more, without overpowering the dish.

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(3)
Cilantro Cilantro

Cilantro is a zesty culinary herb found throughout Mexican and Asian cuisine, and it's great for your health!

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Cilantro Cilantro 'Papalo'

NEW!  Papalo is our newest addition ~ incredible flavor and non bolting!

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Clary Sage Clary Sage

Known for its medicinal and culinary purposes, Clary Sage is as beautiful as it is valuable in the garden.

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Comfrey 'Common' Comfrey 'Common'

Also referred to as ‘Knitbone’ as it is used to reduce inflammation of sprains and broken bones.

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coreopsis lanceolata lanceleaf Coreopsis 'Lanceleaf'

An easy to grow native wildflower with gorgeous color!

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Coreopsis X Route 66 Coreopsis X Route 66

Coreopsis will brighten your garden with its beautiful blending of burgundy and yellow colors!  It is very easy to grow!

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Costmary Costmary

Costmary is commonly known as 'Bible Leaf' for its historic use as an aromatic pest-repelling bookmark in Bibles.

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Cutting Celery Cutting Celery

Cutting Celery is a more flavorful alternative to its crunchier cousin!

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Digitalis 'Foxy' Digitalis 'Foxy'

An old fashioned favorite!

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Dill 'Bouquet' Dill 'Bouquet'

Dill is a tangy culinary herb that also has a versatile history as a medicinal herb!

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Echinacea 'Magnus' Echinacea purpurea 'Magnus'

A beautiful, long lasting perennial, this cone flower is a work horse in the garden and looks beautiful in cut bouquets!

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Echinacea purpurea 'Purple Coneflower' Echinacea, Purple Coneflower

A lovely native perennial herb with long blooming flowers

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Epazote Epazote

Epazote is an herb well-known to Mexican and Caribbean cooking.  The name comes from the Aztec (Nahuatl) epazotl.

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Evolvulus 'Blue Daze' Evolvulus 'Blue Daze'

Hardy annual for sun, the wonderful blue blooms are continuous from July to September.

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Fennel, Bronze Fennel, Bronze

Bronze Fennel adds striking beauty to your garden, provides a safe haven for butterflies and makes a wonderful culinary and medicinal herb!

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Fennel, Green Fennel, Green

Green Fennel is flavorful culinary herb, potent medicinal herb and a great host plant for Swallowtail butterflies!

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Fenugreek Fenugreek

NEW! Fenugreek has a long and rich history as an essential culinary herb in India and the Middle East

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Feverfew Feverfew

A fantastic stress relieving medicinal herb, Feverfew is also a beautiful bloomer that works well in arrangements.

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Gaillardia Blanket Flower Gaillardia 'Blanket Flower'

Add a splash to your garden with hardworking bloomer!

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Germander 'Upright' Germander 'Upright'

Germander is a wonderful evergreen shrub that works well as both a small hedge or a ground cover. Wonderful for preventing erosion!

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Gomphrena 'QIS Purple' Gomphrena 'QIS Purple'

Gomphrena 'QIS Purple' has a long lasting bloom used in traditional Hawaiian leis.

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Gomphrena 'Strawberry Fields' Gomphrena 'Strawberry Fields'

A vibrant splash of color in the garden and a magnet for hummingbirds!

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Hibiscus Marshmallow Hibiscus Marshmallow

This easy to grow perennial has large, showy blooms ~ striking in the garden!

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Horehound Horehound

A potent medicinal herb for treating respiratory infections, Horehound's fuzzy leaves are beautiful in the garden.

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St John’s Wort Hypericum 'St John’s Wort'

St John's wort is most widely known as an herbal treatment for depression.

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Hyssop Hyssop

Hyssop beautiful bloomer that will flower all summer long and attract lots of helpful bees and butterflies to the garden!

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Joe Pye Weed Joe Pye Weed

Joe Pye Weed is definitely not a weed, but a beautiful, aromatic perennial herb.

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Joe Pye, 'Little Joe' Joe Pye Weed, 'Little Joe'

An adorable miniature version of Joe Pye Weed, the perfect nativar for the middle of the border

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Lavender 'Goodwin Creek' Lavender 'Goodwin Creek Grey'

NEW! This lavender is great for Xeriscaping! This variety is deer and drought resistant!

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Lavender 'Grosso' Lavender 'Grosso'

This hardy lavender is best appreciated for its tall, sturdy growth habit and large, profuse blooms.

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Lavender 'Hidcote' Lavender 'Hidcote'

'Hidcote' has beautiful dark blue blooms that smell great and have great healing potential!

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Lavender 'Munstead' Lavender 'Munstead'

One of the best varieties of Lavender for its medicinal value, this aromatic bloomer has a smaller, shrubbier habit.

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Lavender 'Provence' Lavender 'Provence'

The ideal Lavender for crafts and potpourri, this variety is also deer and drought resistant!

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Lemon Balm Lemon Balm

Lemon Balm has a terrific lemon aroma that tastes great in teas and salads, and it's even a natural mosquito repellent!

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Lobelia Lobelia

The brilliant red blooms of this variety are a huge hit with hummingbirds and it grows nicely near water!

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Lovage Lovage

Possessing a flavor similar to celery, Lovage is a wonderful culinary herb popular in Eastern European cuisine.

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Mint 'Chocolate' Mint 'Chocolate'

This herb can best be described as peppermint with chocolate overtones.

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Mint 'Citrus Kitchen' Mint 'Citrus Kitchen'

This mint is a ‘must have’ for any culinary herb garden.  A strong and vigorous plant with a delicious citrus flavor.

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Mint 'Kentucky Colonel' Mint 'Kentucky Colonel'

Unusual curly leaves that are very attractive in the herb garden.  Famous as an essential ingredient in mint juleps.

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Mint 'Mojito' Mint 'Mojito'

A real mojito can only be made with the true Mojito Mint!

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Mint, Mountain Mint 'Mountain'

This herb has the strong minty scent without the invasive runners of regular mint.

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Mint 'Orange' Mint 'Orange'

This delicious citrus herb plant is perfect for summer drinks and fruit salads.

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Mint 'Peppermint' Mint 'Peppermint'

This mint is an old favorite - easy to grow, dependable and a delicious flavor.

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Mint, Apple Mint, 'Apple'

'Apple' is less invasive than other Mints and has a fruity menthol scent.

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Morning Glory 'Crimson Rambler' Morning Glory 'Crimson Rambler'

NEW! This sturdy climbing vine is a stunning old favorite!

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Morning Glory 'Heavenly Blue' Morning Glory 'Heavenly Blue'

Morning Glory 'Heavenly Blue' is a fast growing, eager garden climber.

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Mullein Mullein

Herbalists recommend Mullein as one of the safest and most useful herbal lung tonics.

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Nasturtium 'Alaska Mix' Nasturtium 'Alaska Mix'

'Alaska Mix' has beautiful white marbled leaves and brilliant, edible flowers!

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Nasturtium 'Jewel Mix' Nasturtium 'Jewel Mix'

These blooms are delightful "jewels" blooming profusely, well-above the attractive foliage.

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Nepeta Junior Walker Plants Nepeta 'Junior Walker'

One of the most carefree plants we grow.

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Oregano 'Greek' Oregano 'Greek'

This zesty herb is the most flavorful Oregano and a staple for pizza sauce!

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Oregano 'Italian' Oregano 'Italian'

Italian Oregano is an excellent culinary variety with a strong spicy flavor.

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Parsley 'Curly' Parsley 'Curly'

This is the tried and true parsley essential to 'pretty up' any plate - a delicious culinary herb.

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Parsley 'Italian Flat Leaf' Parsley 'Italian Flat Leaf'

The strong flavored leaves of this parsley plant are great fresh or dried.

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