USDA Hardiness Zone 3

-40 to -30°F / -40 to -34°C

Northern plains and mountains. Short growing season with harsh winters.

Temperature Range

-40 to -30°F

Fahrenheit

-40 to -34°C

Celsius

Plants Suitable for Zone 3 (234)

Ajuga

Ajuga reptans

groundcovers · Zones 3-9

Alaska Butterfly Garden

Various spp.

flowers · Zones 1-5

Alaska Drought-Tolerant Mix

Various spp.

flowers · Zones 1-5

Alaska Edible Garden Collection

Various spp.

vegetables · Zones 1-5

Alaska Medicinal Herb Garden

Various spp.

herbs · Zones 1-5

Alaska Native Prairie Grass

Various Poaceae

grasses · Zones 1-5

Alaska Native Tree Collection

Various spp.

trees · Zones 1-5

Alaska Pollinator Garden

Various spp.

flowers · Zones 1-5

Alaska Rain Garden Mix

Various spp.

flowers · Zones 1-5

Alaska Shade Garden Mix

Various spp.

flowers · Zones 1-5

Alaska Wildflower Mix

vegetables · Zones 2-11

Asparagus officinalis

vegetables · Zones 3-8

Aster

Symphyotrichum novae-angliae

flowers · Zones 3-8

Balloon Flower

Platycodon grandiflorus

vegetables · Zones 2-10

Begonia

Begonia × semperflorens

flowers · Zones 2-11

Bell Pepper

Capsicum annuum

vegetables · Zones 2-11

Lamprocapnos spectabilis

Brassica rapa subsp. chinensis

vegetables · Zones 2-11

Brassica oleracea var. italica

vegetables · Zones 2-11

Brussels Sprout

Brassica oleracea var. gemmifera

vegetables · Zones 2-10

vegetables · Zones 3-11

Daucus carota subsp. sativus

vegetables · Zones 2-11

Brassica oleracea var. botrytis

vegetables · Zones 2-11

Celery

Apium graveolens

vegetables · Zones 2-10

Chamomile

Matricaria chamomilla

Colorado Butterfly Garden

Various spp.

flowers · Zones 3-7

Colorado Drought-Tolerant Mix

Various spp.

flowers · Zones 3-7

Colorado Edible Garden Collection

Various spp.

vegetables · Zones 3-7

Colorado Medicinal Herb Garden

Various spp.

herbs · Zones 3-7

Colorado Native Prairie Grass

Various Poaceae

grasses · Zones 3-7

Colorado Native Tree Collection

Various spp.

trees · Zones 3-7

Colorado Pollinator Garden

Various spp.

flowers · Zones 3-7

Colorado Rain Garden Mix

Various spp.

flowers · Zones 3-7

Colorado Shade Garden Mix

Various spp.

flowers · Zones 3-7

Colorado Wildflower Mix

vegetables · Zones 2-11

vegetables · Zones 2-11

Daffodil

Narcissus pseudonarcissus

Echinacea (Medicinal)

Echinacea angustifolia

vegetables · Zones 3-8

vegetables · Zones 2-11

succulents · Zones 3-8

Idaho Butterfly Garden

Various spp.

flowers · Zones 3-7

Idaho Drought-Tolerant Mix

Various spp.

flowers · Zones 3-7

Idaho Edible Garden Collection

Various spp.

vegetables · Zones 3-7

Idaho Medicinal Herb Garden

Various spp.

herbs · Zones 3-7

Idaho Native Prairie Grass

Various Poaceae

grasses · Zones 3-7

Idaho Native Tree Collection

Various spp.

trees · Zones 3-7

Idaho Pollinator Garden

Various spp.

flowers · Zones 3-7

Idaho Rain Garden Mix

Various spp.

flowers · Zones 3-7

Idaho Shade Garden Mix

Brassica oleracea var. sabellica

vegetables · Zones 2-11

Brassica oleracea var. gongylodes

vegetables · Zones 2-11

Leek

Allium ampeloprasum

vegetables · Zones 3-9

vegetables · Zones 2-11

Schizachyrium scoparium

grasses · Zones 3-9

Lovage

Levisticum officinale

Maine Butterfly Garden

Various spp.

flowers · Zones 3-6

Maine Drought-Tolerant Mix

Various spp.

flowers · Zones 3-6

Maine Edible Garden Collection

Various spp.

vegetables · Zones 3-6

Maine Medicinal Herb Garden

Various spp.

herbs · Zones 3-6

Maine Native Prairie Grass

Various Poaceae

grasses · Zones 3-6

Maine Native Tree Collection

Various spp.

trees · Zones 3-6

Maine Pollinator Garden

Various spp.

flowers · Zones 3-6

Maine Rain Garden Mix

Various spp.

flowers · Zones 3-6

Maine Shade Garden Mix

Minnesota Butterfly Garden

Various spp.

flowers · Zones 3-5

Minnesota Drought-Tolerant Mix

Various spp.

flowers · Zones 3-5

Minnesota Edible Garden Collection

Various spp.

vegetables · Zones 3-5

Minnesota Medicinal Herb Garden

Various spp.

herbs · Zones 3-5

Minnesota Native Prairie Grass

Various Poaceae

grasses · Zones 3-5

Minnesota Native Tree Collection

Various spp.

trees · Zones 3-5

Minnesota Pollinator Garden

Various spp.

flowers · Zones 3-5

Minnesota Rain Garden Mix

Various spp.

flowers · Zones 3-5

Minnesota Shade Garden Mix

Various spp.

flowers · Zones 3-5

Minnesota Wildflower Mix

Montana Butterfly Garden

Various spp.

flowers · Zones 3-6

Montana Drought-Tolerant Mix

Various spp.

flowers · Zones 3-6

Montana Edible Garden Collection

Various spp.

vegetables · Zones 3-6

Montana Medicinal Herb Garden

Various spp.

herbs · Zones 3-6

Montana Native Prairie Grass

Various Poaceae

grasses · Zones 3-6

Montana Native Tree Collection

Various spp.

trees · Zones 3-6

Montana Pollinator Garden

Various spp.

flowers · Zones 3-6

Montana Rain Garden Mix

Various spp.

flowers · Zones 3-6

Montana Shade Garden Mix

Various spp.

flowers · Zones 3-6

Montana Wildflower Mix

New Hampshire Butterfly Garden

Various spp.

flowers · Zones 3-6

New Hampshire Drought-Tolerant Mix

Various spp.

flowers · Zones 3-6

New Hampshire Edible Garden Collection

Various spp.

vegetables · Zones 3-6

New Hampshire Medicinal Herb Garden

Various spp.

herbs · Zones 3-6

New Hampshire Native Prairie Grass

Various Poaceae

grasses · Zones 3-6

New Hampshire Native Tree Collection

Various spp.

trees · Zones 3-6

New Hampshire Pollinator Garden

Various spp.

flowers · Zones 3-6

New Hampshire Rain Garden Mix

Various spp.

flowers · Zones 3-6

New Hampshire Shade Garden Mix

Various spp.

flowers · Zones 3-6

New Hampshire Wildflower Mix

Various spp.

flowers · Zones 3-6

Ninebark

Physocarpus opulifolius

shrubs · Zones 2-8

North Dakota Butterfly Garden

Various spp.

flowers · Zones 3-5

North Dakota Drought-Tolerant Mix

Various spp.

flowers · Zones 3-5

North Dakota Edible Garden Collection

Various spp.

vegetables · Zones 3-5

North Dakota Medicinal Herb Garden

Various spp.

herbs · Zones 3-5

North Dakota Native Prairie Grass

Various Poaceae

grasses · Zones 3-5

North Dakota Native Tree Collection

Various spp.

trees · Zones 3-5

North Dakota Pollinator Garden

Various spp.

flowers · Zones 3-5

North Dakota Rain Garden Mix

Various spp.

flowers · Zones 3-5

North Dakota Shade Garden Mix

Various spp.

flowers · Zones 3-5

North Dakota Wildflower Mix

vegetables · Zones 3-9

Ostrich Fern

Matteuccia struthiopteris

ferns · Zones 3-7

Pea

Pisum sativum

vegetables · Zones 2-11

vegetables · Zones 3-10

Pumpkin

Cucurbita pepo

vegetables · Zones 3-11

vegetables · Zones 2-11

groundcovers · Zones 3-9

Sedum (Tall)

Hylotelephium spectabile

South Dakota Butterfly Garden

Various spp.

flowers · Zones 3-5

South Dakota Drought-Tolerant Mix

Various spp.

flowers · Zones 3-5

South Dakota Edible Garden Collection

Various spp.

vegetables · Zones 3-5

South Dakota Medicinal Herb Garden

Various spp.

herbs · Zones 3-5

South Dakota Native Prairie Grass

Various Poaceae

grasses · Zones 3-5

South Dakota Native Tree Collection

Various spp.

trees · Zones 3-5

South Dakota Pollinator Garden

Various spp.

flowers · Zones 3-5

South Dakota Rain Garden Mix

Various spp.

flowers · Zones 3-5

South Dakota Shade Garden Mix

Various spp.

flowers · Zones 3-5

South Dakota Wildflower Mix

vegetables · Zones 2-11

Squash

Cucurbita maxima

vegetables · Zones 2-11

groundcovers · Zones 3-10

vegetables · Zones 3-11

Swiss Chard

Beta vulgaris subsp. vulgaris

vegetables · Zones 2-11

Tomato

Solanum lycopersicum

vegetables · Zones 2-11

Brassica rapa subsp. rapa

vegetables · Zones 2-11

Vermont Butterfly Garden

Various spp.

flowers · Zones 3-5

Vermont Drought-Tolerant Mix

Various spp.

flowers · Zones 3-5

Vermont Edible Garden Collection

Various spp.

vegetables · Zones 3-5

Vermont Medicinal Herb Garden

Various spp.

herbs · Zones 3-5

Vermont Native Prairie Grass

Various Poaceae

grasses · Zones 3-5

Vermont Native Tree Collection

Various spp.

trees · Zones 3-5

Vermont Pollinator Garden

Various spp.

flowers · Zones 3-5

Vermont Rain Garden Mix

Various spp.

flowers · Zones 3-5

Vermont Shade Garden Mix

Various spp.

flowers · Zones 3-5

Vermont Wildflower Mix

vegetables · Zones 3-11

Wisconsin Butterfly Garden

Various spp.

flowers · Zones 3-5

Wisconsin Drought-Tolerant Mix

Various spp.

flowers · Zones 3-5

Wisconsin Edible Garden Collection

Various spp.

vegetables · Zones 3-5

Wisconsin Medicinal Herb Garden

Various spp.

herbs · Zones 3-5

Wisconsin Native Prairie Grass

Various Poaceae

grasses · Zones 3-5

Wisconsin Native Tree Collection

Various spp.

trees · Zones 3-5

Wisconsin Pollinator Garden

Various spp.

flowers · Zones 3-5

Wisconsin Rain Garden Mix

Various spp.

flowers · Zones 3-5

Wisconsin Shade Garden Mix

Various spp.

flowers · Zones 3-5

Wisconsin Wildflower Mix

Various spp.

flowers · Zones 3-5

Wyoming Butterfly Garden

Various spp.

flowers · Zones 3-6

Wyoming Drought-Tolerant Mix

Various spp.

flowers · Zones 3-6

Wyoming Edible Garden Collection

Various spp.

vegetables · Zones 3-6

Wyoming Medicinal Herb Garden

Various spp.

herbs · Zones 3-6

Wyoming Native Prairie Grass

Various Poaceae

grasses · Zones 3-6

Wyoming Native Tree Collection

Various spp.

trees · Zones 3-6

Wyoming Pollinator Garden

Various spp.

flowers · Zones 3-6

Wyoming Rain Garden Mix

Various spp.

flowers · Zones 3-6

Wyoming Shade Garden Mix

Various spp.

flowers · Zones 3-6

Wyoming Wildflower Mix

vegetables · Zones 2-11

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