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What to Plant in March in Zone 4B

Based on a last frost date of May 10 for Zone 4B. 83 plants have activity this month.

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Start Indoors in March

Start these seeds inside under grow lights before the last frost.

Lavender

Lavandula angustifolia

Start indoors: Mar 1

Transplant outdoors: May 24

~90 days to harvest

Buy Seeds
Rosemary

Salvia rosmarinus

Start indoors: Mar 1

Transplant outdoors: May 24

~120 days to harvest

Buy Seeds
Bell Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Cayenne Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Celery

Apium graveolens

Start indoors: Mar 1

Transplant outdoors: May 24

~130 days to harvest

Buy Seeds
Chili Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~119 days to harvest

Buy Seeds
Jalapeño Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Leek

Allium ampeloprasum

Start indoors: Mar 1

Transplant outdoors: May 24

~120 days to harvest

Buy Seeds
Poblano Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~80 days to harvest

Buy Seeds
Serrano Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~80 days to harvest

Buy Seeds
Echinacea (Coneflower)

Echinacea purpurea

Start indoors: Mar 1

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Petunia

Petunia × hybrida

Start indoors: Mar 1

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Lemongrass

Cymbopogon citratus

Start indoors: Mar 1

Transplant outdoors: Jun 7

~100 days to harvest

Buy Seeds
Ginger

Zingiber officinale

Start indoors: Mar 1

Transplant outdoors: Jun 7

~270 days to harvest

Buy Seeds
Stevia

Stevia rebaudiana

Start indoors: Mar 1

Transplant outdoors: May 24

~90 days to harvest

Buy Seeds
Shishito Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Banana Pepper

Capsicum annuum

Start indoors: Mar 1

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Impatiens

Impatiens walleriana

Start indoors: Mar 1

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Salvia (Annual)

Salvia splendens

Start indoors: Mar 1

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Basil

Ocimum basilicum

Start indoors: Mar 15

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Chives

Allium schoenoprasum

Start indoors: Mar 15

Transplant outdoors: Apr 26

~60 days to harvest

Buy Seeds
Marjoram

Origanum majorana

Start indoors: Mar 15

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Oregano

Origanum vulgare

Start indoors: Mar 15

Transplant outdoors: May 24

~80 days to harvest

Buy Seeds
Parsley

Petroselinum crispum

Start indoors: Mar 15

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Sage

Salvia officinalis

Start indoors: Mar 15

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Tarragon

Artemisia dracunculus

Start indoors: Mar 15

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Thyme

Thymus vulgaris

Start indoors: Mar 15

Transplant outdoors: May 24

~90 days to harvest

Buy Seeds
Artichoke

Cynara scolymus

Start indoors: Mar 15

Transplant outdoors: May 24

~150 days to harvest

Buy Seeds
Asparagus

Asparagus officinalis

Start indoors: Mar 15

Transplant outdoors: May 24

~730 days to harvest

Buy Seeds
Eggplant

Solanum melongena

Start indoors: Mar 15

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Okra

Abelmoschus esculentus

Start indoors: Mar 15

Transplant outdoors: May 24

~91 days to harvest

Buy Seeds
Onion

Allium cepa

Start indoors: Mar 15

Transplant outdoors: May 24

~100 days to harvest

Buy Seeds
Rhubarb

Rheum rhabarbarum

Start indoors: Mar 15

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Catnip

Nepeta cataria

Start indoors: Mar 15

Transplant outdoors: May 24

~90 days to harvest

Buy Seeds
Valerian

Valeriana officinalis

Start indoors: Mar 15

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Bee Balm

Monarda didyma

Start indoors: Mar 15

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Lovage

Levisticum officinale

Start indoors: Mar 15

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Snapdragon

Antirrhinum majus

Start indoors: Mar 15

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Pansy

Viola x wittrockiana

Start indoors: Mar 15

Transplant outdoors: May 24

~50 days to harvest

Buy Seeds
Columbine

Aquilegia vulgaris

Start indoors: Mar 15

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Verbena

Verbena hybrida

Start indoors: Mar 15

Transplant outdoors: May 24

~85 days to harvest

Buy Seeds
Chamomile

Matricaria chamomilla

Start indoors: Mar 29

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Lemon Balm

Melissa officinalis

Start indoors: Mar 29

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Beefsteak Tomato

Solanum lycopersicum

Start indoors: Mar 29

Transplant outdoors: May 24

~85 days to harvest

Buy Seeds
Broccoli

Brassica oleracea var. italica

Start indoors: Mar 29

Transplant outdoors: May 10

~60 days to harvest

Buy Seeds
Cabbage

Brassica oleracea var. capitata

Start indoors: Mar 29

Transplant outdoors: May 10

~70 days to harvest

Buy Seeds
Cauliflower

Brassica oleracea var. botrytis

Start indoors: Mar 29

Transplant outdoors: May 10

~75 days to harvest

Buy Seeds
Cherry Tomato

Solanum lycopersicum var. cerasiforme

Start indoors: Mar 29

Transplant outdoors: May 24

~60 days to harvest

Buy Seeds
Collard Green

Brassica oleracea var. viridis

Start indoors: Mar 29

Transplant outdoors: May 10

~60 days to harvest

Buy Seeds
Grape Tomato

Solanum lycopersicum

Start indoors: Mar 29

Transplant outdoors: May 24

~65 days to harvest

Buy Seeds
Heirloom Tomato

Solanum lycopersicum

Start indoors: Mar 29

Transplant outdoors: May 24

~80 days to harvest

Buy Seeds
Roma Tomato

Solanum lycopersicum

Start indoors: Mar 29

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Tomato

Solanum lycopersicum

Start indoors: Mar 29

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Marigold

Tagetes patula

Start indoors: Mar 29

Transplant outdoors: May 24

~50 days to harvest

Buy Seeds
Tomatillo

Physalis philadelphica

Start indoors: Mar 29

Transplant outdoors: May 24

~75 days to harvest

Buy Seeds
Napa Cabbage

Brassica rapa subsp. pekinensis

Start indoors: Mar 29

Transplant outdoors: May 24

~70 days to harvest

Buy Seeds
Lemon Verbena

Aloysia citrodora

Start indoors: Mar 29

Transplant outdoors: May 24

~120 days to harvest

Buy Seeds
Dahlia

Dahlia pinnata

Start indoors: Mar 29

Transplant outdoors: May 17

~90 days to harvest

Buy Seeds
Hollyhock

Alcea rosea

Start indoors: Mar 29

Transplant outdoors: May 24

~365 days to harvest

Buy Seeds
Celosia

Celosia argentea

Start indoors: Mar 29

Transplant outdoors: May 17

~75 days to harvest

Buy Seeds

Direct Sow in March

Sow these seeds directly in the ground this month.

Parsnip

Pastinaca sativa

Sow outdoors: Mar 15

~100 days to harvest

Buy Seeds
Beet

Beta vulgaris

Sow outdoors: Mar 29

~55 days to harvest

Buy Seeds
Carrot

Daucus carota

Sow outdoors: Mar 29

~70 days to harvest

Buy Seeds
Cucumber

Cucumis sativus

Sow outdoors: Mar 29

~55 days to harvest

Buy Seeds
Green Bean

Phaseolus vulgaris

Sow outdoors: Mar 29

~55 days to harvest

Buy Seeds
Kale

Brassica oleracea

Sow outdoors: Mar 29

~55 days to harvest

Buy Seeds
Mustard

Brassica juncea

Sow outdoors: Mar 29

~56 days to harvest

Buy Seeds
Pea

Pisum sativum

Sow outdoors: Mar 29

~60 days to harvest

Buy Seeds
Pole Pea

Pisum sativum

Sow outdoors: Mar 29

~70 days to harvest

Buy Seeds
Pumpkin

Cucurbita maxima

Sow outdoors: Mar 29

~100 days to harvest

Buy Seeds
Radish

Rhaphanus sativus

Sow outdoors: Mar 29

~25 days to harvest

Buy Seeds
Snap Pea

Pisum sativum var. macrocarpon

Sow outdoors: Mar 29

~60 days to harvest

Buy Seeds
Snow Pea

Pisum sativum var. saccharatum

Sow outdoors: Mar 29

~60 days to harvest

Buy Seeds
Spinach

Spinacia oleracea

Sow outdoors: Mar 29

~40 days to harvest

Buy Seeds
Squash

Cucurbita moschata

Sow outdoors: Mar 29

~90 days to harvest

Buy Seeds
Turnip

Brassica rapa

Sow outdoors: Mar 29

~91 days to harvest

Buy Seeds
Apple Tree

Malus domestica

Sow outdoors: Mar 29

~1460 days to harvest

Buy Seeds
Pear Tree

Pyrus communis

Sow outdoors: Mar 29

~1825 days to harvest

Buy Seeds
Peach Tree

Prunus persica

Sow outdoors: Mar 29

~1095 days to harvest

Buy Seeds
Plum Tree

Prunus domestica

Sow outdoors: Mar 29

~1460 days to harvest

Buy Seeds
Sweet Cherry Tree

Prunus avium

Sow outdoors: Mar 29

~2190 days to harvest

Buy Seeds
Mâche

Valerianella locusta

Sow outdoors: Mar 29

~45 days to harvest

Buy Seeds
Broccoli Raab

Brassica rapa subsp. rapa

Sow outdoors: Mar 29

~60 days to harvest

Buy Seeds

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