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What to Plant in May in Zone 4A

Based on a last frost date of May 15 for Zone 4A. 99 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 1

~75 days to harvest

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Summer Savory

Satureja hortensis

Sow outdoors: May 1

~60 days to harvest

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Bachelor Button

Centaurea cyanus

Sow outdoors: May 1

~60 days to harvest

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Elderberry

Sambucus nigra

Sow outdoors: May 1

~730 days to harvest

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Grape Vine

Vitis vinifera

Sow outdoors: May 1

~1095 days to harvest

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Serviceberry

Amelanchier canadensis

Sow outdoors: May 1

~1095 days to harvest

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Persimmon Tree

Diospyros kaki

Sow outdoors: May 1

~1460 days to harvest

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Hydrangea

Hydrangea macrophylla

Sow outdoors: May 1

~120 days to harvest

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Azalea

Rhododendron spp. (azalea group)

Sow outdoors: May 1

~365 days to harvest

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Rhododendron

Rhododendron spp.

Sow outdoors: May 1

~365 days to harvest

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Boxwood

Buxus sempervirens

Sow outdoors: May 1

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Common Bean

Phaseolus vulgaris

Sow outdoors: May 15

~65 days to harvest

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Lima Bean

Phaseolus lunatus

Sow outdoors: May 15

~75 days to harvest

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Sweet Potato

Ipomoea batatas

Sow outdoors: May 15

~100 days to harvest

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Cosmos

Cosmos bipinnatus

Sow outdoors: May 15

~60 days to harvest

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Hosta

Hosta spp.

Sow outdoors: May 15

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Daylily

Hemerocallis spp.

Sow outdoors: May 15

~90 days to harvest

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Sunflower

Helianthus annuus

Sow outdoors: May 22

~80 days to harvest

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Zinnia

Zinnia elegans

Sow outdoors: May 22

~60 days to harvest

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Nasturtium

Tropaeolum majus

Sow outdoors: May 22

~60 days to harvest

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Borage

Borago officinalis

Sow outdoors: May 22

~60 days to harvest

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Gladiolus

Gladiolus × hortulanus

Sow outdoors: May 22

~80 days to harvest

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Butterfly Bush

Buddleja davidii

Sow outdoors: May 22

~90 days to harvest

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Crape Myrtle

Lagerstroemia indica

Sow outdoors: May 22

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Edamame

Glycine max

Sow outdoors: May 29

~80 days to harvest

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Popcorn

Zea mays everta

Sow outdoors: May 29

~100 days to harvest

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Anise

Pimpinella anisum

Sow outdoors: May 29

~75 days to harvest

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Morning Glory

Ipomoea purpurea

Sow outdoors: May 29

~65 days to harvest

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Olive Tree

Olea europaea

Sow outdoors: May 29

~1825 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 1

~60 days to harvest

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Fennel

Foeniculum vulgare

Transplant by: May 1

~80 days to harvest

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Kohlrabi

Brassica oleracea var. gongylodes

Transplant by: May 1

~55 days to harvest

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Radicchio

Cichorium intybus

Transplant by: May 1

~80 days to harvest

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Broccoli

Brassica oleracea var. italica

Transplant by: May 15

~60 days to harvest

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Brussels Sprout

Brassica oleracea var. gemmifera

Transplant by: May 15

~84 days to harvest

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Cabbage

Brassica oleracea var. capitata

Transplant by: May 15

~70 days to harvest

Buy Starts
Cauliflower

Brassica oleracea var. botrytis

Transplant by: May 15

~75 days to harvest

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Collard Green

Brassica oleracea var. viridis

Transplant by: May 15

~60 days to harvest

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Dahlia

Dahlia pinnata

Transplant by: May 22

~90 days to harvest

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Celosia

Celosia argentea

Transplant by: May 22

~75 days to harvest

Buy Starts
Basil

Ocimum basilicum

Transplant by: May 29

~60 days to harvest

Buy Starts
Chamomile

Matricaria chamomilla

Transplant by: May 29

~60 days to harvest

Buy Starts
Lavender

Lavandula angustifolia

Transplant by: May 29

~90 days to harvest

Buy Starts
Lemon Balm

Melissa officinalis

Transplant by: May 29

~70 days to harvest

Buy Starts
Marjoram

Origanum majorana

Transplant by: May 29

~60 days to harvest

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Oregano

Origanum vulgare

Transplant by: May 29

~80 days to harvest

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Parsley

Petroselinum crispum

Transplant by: May 29

~75 days to harvest

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Rosemary

Salvia rosmarinus

Transplant by: May 29

~120 days to harvest

Buy Starts
Sage

Salvia officinalis

Transplant by: May 29

~75 days to harvest

Buy Starts
Tarragon

Artemisia dracunculus

Transplant by: May 29

~60 days to harvest

Buy Starts
Thyme

Thymus vulgaris

Transplant by: May 29

~90 days to harvest

Buy Starts
Acorn Squash

Cucurbita pepo

Transplant by: May 29

~85 days to harvest

Buy Starts
Artichoke

Cynara scolymus

Transplant by: May 29

~150 days to harvest

Buy Starts
Asparagus

Asparagus officinalis

Transplant by: May 29

~730 days to harvest

Buy Starts
Beefsteak Tomato

Solanum lycopersicum

Transplant by: May 29

~85 days to harvest

Buy Starts
Bell Pepper

Capsicum annuum

Transplant by: May 29

~70 days to harvest

Buy Starts
Butternut Squash

Cucurbita moschata

Transplant by: May 29

~100 days to harvest

Buy Starts
Cantaloupe

Cucumis melo var. cantalupensis

Transplant by: May 29

~80 days to harvest

Buy Starts
Cayenne Pepper

Capsicum annuum

Transplant by: May 29

~75 days to harvest

Buy Starts
Celery

Apium graveolens

Transplant by: May 29

~130 days to harvest

Buy Starts
Cherry Tomato

Solanum lycopersicum var. cerasiforme

Transplant by: May 29

~60 days to harvest

Buy Starts
Chili Pepper

Capsicum annuum

Transplant by: May 29

~119 days to harvest

Buy Starts
Eggplant

Solanum melongena

Transplant by: May 29

~70 days to harvest

Buy Starts
Grape Tomato

Solanum lycopersicum

Transplant by: May 29

~65 days to harvest

Buy Starts
Habanero Pepper

Capsicum chinense

Transplant by: May 29

~100 days to harvest

Buy Starts
Heirloom Tomato

Solanum lycopersicum

Transplant by: May 29

~80 days to harvest

Buy Starts
Honeydew Melon

Cucumis melo var. inodorus

Transplant by: May 29

~85 days to harvest

Buy Starts
Jalapeño Pepper

Capsicum annuum

Transplant by: May 29

~75 days to harvest

Buy Starts
Leek

Allium ampeloprasum

Transplant by: May 29

~120 days to harvest

Buy Starts
Okra

Abelmoschus esculentus

Transplant by: May 29

~91 days to harvest

Buy Starts
Onion

Allium cepa

Transplant by: May 29

~100 days to harvest

Buy Starts
Poblano Pepper

Capsicum annuum

Transplant by: May 29

~80 days to harvest

Buy Starts
Rhubarb

Rheum rhabarbarum

Transplant by: May 29

~365 days to harvest

Buy Starts
Roma Tomato

Solanum lycopersicum

Transplant by: May 29

~75 days to harvest

Buy Starts
Serrano Pepper

Capsicum annuum

Transplant by: May 29

~80 days to harvest

Buy Starts
Spaghetti Squash

Cucurbita pepo

Transplant by: May 29

~90 days to harvest

Buy Starts
Tomato

Solanum lycopersicum

Transplant by: May 29

~70 days to harvest

Buy Starts
Watermelon

Citrullus lanatus

Transplant by: May 29

~80 days to harvest

Buy Starts
Zucchini

Cucurbita pepo

Transplant by: May 29

~50 days to harvest

Buy Starts
Marigold

Tagetes patula

Transplant by: May 29

~50 days to harvest

Buy Starts
Echinacea (Coneflower)

Echinacea purpurea

Transplant by: May 29

~365 days to harvest

Buy Starts
Petunia

Petunia × hybrida

Transplant by: May 29

~75 days to harvest

Buy Starts
Stevia

Stevia rebaudiana

Transplant by: May 29

~90 days to harvest

Buy Starts
Tomatillo

Physalis philadelphica

Transplant by: May 29

~75 days to harvest

Buy Starts
Shishito Pepper

Capsicum annuum

Transplant by: May 29

~60 days to harvest

Buy Starts
Banana Pepper

Capsicum annuum

Transplant by: May 29

~70 days to harvest

Buy Starts
Napa Cabbage

Brassica rapa subsp. pekinensis

Transplant by: May 29

~70 days to harvest

Buy Starts
Catnip

Nepeta cataria

Transplant by: May 29

~90 days to harvest

Buy Starts
Valerian

Valeriana officinalis

Transplant by: May 29

~365 days to harvest

Buy Starts
Lemon Verbena

Aloysia citrodora

Transplant by: May 29

~120 days to harvest

Buy Starts
Bee Balm

Monarda didyma

Transplant by: May 29

~365 days to harvest

Buy Starts
Lovage

Levisticum officinale

Transplant by: May 29

~365 days to harvest

Buy Starts
Snapdragon

Antirrhinum majus

Transplant by: May 29

~60 days to harvest

Buy Starts
Pansy

Viola x wittrockiana

Transplant by: May 29

~50 days to harvest

Buy Starts
Hollyhock

Alcea rosea

Transplant by: May 29

~365 days to harvest

Buy Starts
Columbine

Aquilegia vulgaris

Transplant by: May 29

~365 days to harvest

Buy Starts
Impatiens

Impatiens walleriana

Transplant by: May 29

~60 days to harvest

Buy Starts
Salvia (Annual)

Salvia splendens

Transplant by: May 29

~75 days to harvest

Buy Starts
Verbena

Verbena hybrida

Transplant by: May 29

~85 days to harvest

Buy Starts

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