my LocalPlanting

What to Plant in March in Zone 12B

Based on a last frost date of Apr 15 for Zone 12B. 77 plants have activity this month.

← February
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
April →

Switch Zone

Zone 1a Zone 1b Zone 2a Zone 2b Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b Zone 11a Zone 11b Zone 12a Zone 12b Zone 13a

🏠 Start Indoors in March

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

🌿 Chamomile

Matricaria chamomilla

Start indoors: Mar 4

Transplant outdoors: Apr 29

~60 days to harvest

🛒 Buy Seeds
🌿 Lemon Balm

Melissa officinalis

Start indoors: Mar 4

Transplant outdoors: Apr 29

~70 days to harvest

🛒 Buy Seeds
🥦 Beefsteak Tomato

Solanum lycopersicum

Start indoors: Mar 4

Transplant outdoors: Apr 29

~85 days to harvest

🛒 Buy Seeds
🥦 Broccoli

Brassica oleracea var. italica

Start indoors: Mar 4

Transplant outdoors: Apr 15

~60 days to harvest

🛒 Buy Seeds
🥦 Cabbage

Brassica oleracea var. capitata

Start indoors: Mar 4

Transplant outdoors: Apr 15

~70 days to harvest

🛒 Buy Seeds
🥦 Cauliflower

Brassica oleracea var. botrytis

Start indoors: Mar 4

Transplant outdoors: Apr 15

~75 days to harvest

🛒 Buy Seeds
🥦 Cherry Tomato

Solanum lycopersicum var. cerasiforme

Start indoors: Mar 4

Transplant outdoors: Apr 29

~60 days to harvest

🛒 Buy Seeds
🥦 Collard Green

Brassica oleracea var. viridis

Start indoors: Mar 4

Transplant outdoors: Apr 15

~60 days to harvest

🛒 Buy Seeds
🥦 Grape Tomato

Solanum lycopersicum

Start indoors: Mar 4

Transplant outdoors: Apr 29

~65 days to harvest

🛒 Buy Seeds
🥦 Heirloom Tomato

Solanum lycopersicum

Start indoors: Mar 4

Transplant outdoors: Apr 29

~80 days to harvest

🛒 Buy Seeds
🥦 Roma Tomato

Solanum lycopersicum

Start indoors: Mar 4

Transplant outdoors: Apr 29

~75 days to harvest

🛒 Buy Seeds
🥦 Tomato

Solanum lycopersicum

Start indoors: Mar 4

Transplant outdoors: Apr 29

~70 days to harvest

🛒 Buy Seeds
🌸 Marigold

Tagetes patula

Start indoors: Mar 4

Transplant outdoors: Apr 29

~50 days to harvest

🛒 Buy Seeds
🥦 Tomatillo

Physalis philadelphica

Start indoors: Mar 4

Transplant outdoors: Apr 29

~75 days to harvest

🛒 Buy Seeds
🥦 Napa Cabbage

Brassica rapa subsp. pekinensis

Start indoors: Mar 4

Transplant outdoors: Apr 29

~70 days to harvest

🛒 Buy Seeds
🌿 Lemon Verbena

Aloysia citrodora

Start indoors: Mar 4

Transplant outdoors: Apr 29

~120 days to harvest

🛒 Buy Seeds
🌸 Dahlia

Dahlia pinnata

Start indoors: Mar 4

Transplant outdoors: Apr 22

~90 days to harvest

🛒 Buy Seeds
🌸 Hollyhock

Alcea rosea

Start indoors: Mar 4

Transplant outdoors: Apr 29

~365 days to harvest

🛒 Buy Seeds
🌸 Celosia

Celosia argentea

Start indoors: Mar 4

Transplant outdoors: Apr 22

~75 days to harvest

🛒 Buy Seeds
🥦 Acorn Squash

Cucurbita pepo

Start indoors: Mar 18

Transplant outdoors: Apr 29

~85 days to harvest

🛒 Buy Seeds
🥦 Butternut Squash

Cucurbita moschata

Start indoors: Mar 18

Transplant outdoors: Apr 29

~100 days to harvest

🛒 Buy Seeds
🥦 Cantaloupe

Cucumis melo var. cantalupensis

Start indoors: Mar 18

Transplant outdoors: Apr 29

~80 days to harvest

🛒 Buy Seeds
🥦 Fennel

Foeniculum vulgare

Start indoors: Mar 18

Transplant outdoors: Apr 1

~80 days to harvest

🛒 Buy Seeds
🥦 Honeydew Melon

Cucumis melo var. inodorus

Start indoors: Mar 18

Transplant outdoors: Apr 29

~85 days to harvest

🛒 Buy Seeds
🥦 Kohlrabi

Brassica oleracea var. gongylodes

Start indoors: Mar 18

Transplant outdoors: Apr 1

~55 days to harvest

🛒 Buy Seeds
🥦 Radicchio

Cichorium intybus

Start indoors: Mar 18

Transplant outdoors: Apr 1

~80 days to harvest

🛒 Buy Seeds
🥦 Spaghetti Squash

Cucurbita pepo

Start indoors: Mar 18

Transplant outdoors: Apr 29

~90 days to harvest

🛒 Buy Seeds
🥦 Watermelon

Citrullus lanatus

Start indoors: Mar 18

Transplant outdoors: Apr 29

~80 days to harvest

🛒 Buy Seeds
🥦 Zucchini

Cucurbita pepo

Start indoors: Mar 18

Transplant outdoors: Apr 29

~50 days to harvest

🛒 Buy Seeds

🌱 Direct Sow in March

Sow these seeds directly in the ground this month.

🥦 Beet

Beta vulgaris

Sow outdoors: Mar 4

~55 days to harvest

🛒 Buy Seeds
🥦 Carrot

Daucus carota

Sow outdoors: Mar 4

~70 days to harvest

🛒 Buy Seeds
🥦 Cucumber

Cucumis sativus

Sow outdoors: Mar 4

~55 days to harvest

🛒 Buy Seeds
🥦 Green Bean

Phaseolus vulgaris

Sow outdoors: Mar 4

~55 days to harvest

🛒 Buy Seeds
🥦 Kale

Brassica oleracea

Sow outdoors: Mar 4

~55 days to harvest

🛒 Buy Seeds
🥦 Mustard

Brassica juncea

Sow outdoors: Mar 4

~56 days to harvest

🛒 Buy Seeds
🥦 Pea

Pisum sativum

Sow outdoors: Mar 4

~60 days to harvest

🛒 Buy Seeds
🥦 Pole Pea

Pisum sativum

Sow outdoors: Mar 4

~70 days to harvest

🛒 Buy Seeds
🥦 Pumpkin

Cucurbita maxima

Sow outdoors: Mar 4

~100 days to harvest

🛒 Buy Seeds
🥦 Radish

Rhaphanus sativus

Sow outdoors: Mar 4

~25 days to harvest

🛒 Buy Seeds
🥦 Snap Pea

Pisum sativum var. macrocarpon

Sow outdoors: Mar 4

~60 days to harvest

🛒 Buy Seeds
🥦 Snow Pea

Pisum sativum var. saccharatum

Sow outdoors: Mar 4

~60 days to harvest

🛒 Buy Seeds
🥦 Spinach

Spinacia oleracea

Sow outdoors: Mar 4

~40 days to harvest

🛒 Buy Seeds
🥦 Squash

Cucurbita moschata

Sow outdoors: Mar 4

~90 days to harvest

🛒 Buy Seeds
🥦 Turnip

Brassica rapa

Sow outdoors: Mar 4

~91 days to harvest

🛒 Buy Seeds
🍎 Apple Tree

Malus domestica

Sow outdoors: Mar 4

~1460 days to harvest

🛒 Buy Seeds
🍎 Pear Tree

Pyrus communis

Sow outdoors: Mar 4

~1825 days to harvest

🛒 Buy Seeds
🍎 Peach Tree

Prunus persica

Sow outdoors: Mar 4

~1095 days to harvest

🛒 Buy Seeds
🍎 Plum Tree

Prunus domestica

Sow outdoors: Mar 4

~1460 days to harvest

🛒 Buy Seeds
🍎 Sweet Cherry Tree

Prunus avium

Sow outdoors: Mar 4

~2190 days to harvest

🛒 Buy Seeds
🥦 Mâche

Valerianella locusta

Sow outdoors: Mar 4

~45 days to harvest

🛒 Buy Seeds
🥦 Broccoli Raab

Brassica rapa subsp. rapa

Sow outdoors: Mar 4

~60 days to harvest

🛒 Buy Seeds
🍓 Blackberry

Rubus fruticosus

Sow outdoors: Mar 18

~365 days to harvest

🛒 Buy Seeds
🍓 Blueberry

Vaccinium corymbosum

Sow outdoors: Mar 18

~730 days to harvest

🛒 Buy Seeds
🍓 Raspberry

Rubus idaeus

Sow outdoors: Mar 18

~365 days to harvest

🛒 Buy Seeds
🍓 Strawberry

Fragaria × ananassa

Sow outdoors: Mar 18

~90 days to harvest

🛒 Buy Seeds
🌿 Cilantro

Coriandrum sativum

Sow outdoors: Mar 18

~45 days to harvest

🛒 Buy Seeds
🌿 Dill

Anethum graveolens

Sow outdoors: Mar 18

~40 days to harvest

🛒 Buy Seeds
🌿 Mint

Mentha spicata

Sow outdoors: Mar 18

~90 days to harvest

🛒 Buy Seeds
🥦 Arugula

Eruca vesicaria subsp. sativa

Sow outdoors: Mar 18

~40 days to harvest

🛒 Buy Seeds
🥦 Bok Choy

Brassica rapa subsp. chinensis

Sow outdoors: Mar 18

~45 days to harvest

🛒 Buy Seeds
🥦 Endive

Cichorium endivia

Sow outdoors: Mar 18

~85 days to harvest

🛒 Buy Seeds
🥦 Head Lettuce

Lactuca sativa

Sow outdoors: Mar 18

~70 days to harvest

🛒 Buy Seeds
🥦 Leaf Lettuce

Lactuca sativa

Sow outdoors: Mar 18

~45 days to harvest

🛒 Buy Seeds
🥦 Potato

Solanum tuberosum

Sow outdoors: Mar 18

~90 days to harvest

🛒 Buy Seeds
🥦 Swiss Chard

Beta vulgaris subsp. vulgaris

Sow outdoors: Mar 18

~55 days to harvest

🛒 Buy Seeds
🌸 Black-eyed Susan

Rudbeckia hirta

Sow outdoors: Mar 18

~85 days to harvest

🛒 Buy Seeds
🥦 Fava Bean

Vicia faba

Sow outdoors: Mar 18

~85 days to harvest

🛒 Buy Seeds
🥦 Mizuna

Brassica rapa var. nipposinica

Sow outdoors: Mar 18

~40 days to harvest

🛒 Buy Seeds
🥦 Sorrel

Rumex acetosa

Sow outdoors: Mar 18

~60 days to harvest

🛒 Buy Seeds
🥦 Watermelon Radish

Raphanus sativus

Sow outdoors: Mar 18

~60 days to harvest

🛒 Buy Seeds
🌿 Chervil

Anthriscus cerefolium

Sow outdoors: Mar 18

~50 days to harvest

🛒 Buy Seeds
🌸 Sweet Pea

Lathyrus odoratus

Sow outdoors: Mar 18

~65 days to harvest

🛒 Buy Seeds
🌸 Larkspur

Consolida ajacis

Sow outdoors: Mar 18

~65 days to harvest

🛒 Buy Seeds
🌸 Sweet Alyssum

Lobularia maritima

Sow outdoors: Mar 18

~45 days to harvest

🛒 Buy Seeds
🌸 Lupine

Lupinus polyphyllus

Sow outdoors: Mar 18

~365 days to harvest

🛒 Buy Seeds
🍓 Red Currant

Ribes rubrum

Sow outdoors: Mar 18

~730 days to harvest

🛒 Buy Seeds
🍓 Gooseberry

Ribes uva-crispa

Sow outdoors: Mar 18

~730 days to harvest

🛒 Buy Seeds

Want dates for your exact ZIP code?

Zone 12B is a range — enter your ZIP for pinpoint accuracy.

🔥 See What to Plant Right Now