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What to Plant in May in Zone 3B

Based on a last frost date of May 20 for Zone 3B. 27 plants have activity this month.

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🌱 Direct Sow in May

Sow these seeds directly in the ground this month.

🥦 Sweet Corn

Zea mays var. saccharata

Sow outdoors: May 6

~75 days to harvest

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Satureja hortensis

Sow outdoors: May 6

~60 days to harvest

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Centaurea cyanus

Sow outdoors: May 6

~60 days to harvest

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🍓 Elderberry

Sambucus nigra

Sow outdoors: May 6

~730 days to harvest

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🍓 Grape Vine

Vitis vinifera

Sow outdoors: May 6

~1095 days to harvest

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Amelanchier canadensis

Sow outdoors: May 6

~1095 days to harvest

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Diospyros kaki

Sow outdoors: May 6

~1460 days to harvest

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Phaseolus vulgaris

Sow outdoors: May 20

~65 days to harvest

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🥦 Garlic

Allium sativum

Sow outdoors: May 20

~240 days to harvest

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🥦 Lima Bean

Phaseolus lunatus

Sow outdoors: May 20

~75 days to harvest

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Ipomoea batatas

Sow outdoors: May 20

~100 days to harvest

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🌸 Cosmos

Cosmos bipinnatus

Sow outdoors: May 20

~60 days to harvest

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🌸 Sunflower

Helianthus annuus

Sow outdoors: May 27

~80 days to harvest

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🌸 Zinnia

Zinnia elegans

Sow outdoors: May 27

~60 days to harvest

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🌸 Nasturtium

Tropaeolum majus

Sow outdoors: May 27

~60 days to harvest

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🌿 Borage

Borago officinalis

Sow outdoors: May 27

~60 days to harvest

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🌿 Transplant Outdoors in May

Move these seedlings outside — frost danger has passed.

🌿 Chives

Allium schoenoprasum

Transplant by: May 6

~60 days to harvest

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🥦 Fennel

Foeniculum vulgare

Transplant by: May 6

~80 days to harvest

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🥦 Kohlrabi

Brassica oleracea var. gongylodes

Transplant by: May 6

~55 days to harvest

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🥦 Radicchio

Cichorium intybus

Transplant by: May 6

~80 days to harvest

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🥦 Broccoli

Brassica oleracea var. italica

Transplant by: May 20

~60 days to harvest

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Brassica oleracea var. gemmifera

Transplant by: May 20

~84 days to harvest

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🥦 Cabbage

Brassica oleracea var. capitata

Transplant by: May 20

~70 days to harvest

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Brassica oleracea var. botrytis

Transplant by: May 20

~75 days to harvest

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Brassica oleracea var. viridis

Transplant by: May 20

~60 days to harvest

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🌸 Dahlia

Dahlia pinnata

Transplant by: May 27

~90 days to harvest

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🌸 Celosia

Celosia argentea

Transplant by: May 27

~75 days to harvest

🛒 Buy Starts

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