my LocalPlanting

What to Plant in December in Zone 12B

Based on a last frost date of Jan 1 for Zone 12B. 56 plants have activity this month.

← November
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
January →

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 December

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

Acorn Squash

Cucurbita pepo

Start indoors: Dec 4

Transplant outdoors: Jan 15

~85 days to harvest

Buy Seeds
Butternut Squash

Cucurbita moschata

Start indoors: Dec 4

Transplant outdoors: Jan 15

~100 days to harvest

Buy Seeds
Cantaloupe

Cucumis melo var. cantalupensis

Start indoors: Dec 4

Transplant outdoors: Jan 15

~80 days to harvest

Buy Seeds
Fennel

Foeniculum vulgare

Start indoors: Dec 4

Transplant outdoors: Dec 18

~80 days to harvest

Buy Seeds
Honeydew Melon

Cucumis melo var. inodorus

Start indoors: Dec 4

Transplant outdoors: Jan 15

~85 days to harvest

Buy Seeds
Kohlrabi

Brassica oleracea var. gongylodes

Start indoors: Dec 4

Transplant outdoors: Dec 18

~55 days to harvest

Buy Seeds
Radicchio

Cichorium intybus

Start indoors: Dec 4

Transplant outdoors: Dec 18

~80 days to harvest

Buy Seeds
Spaghetti Squash

Cucurbita pepo

Start indoors: Dec 4

Transplant outdoors: Jan 15

~90 days to harvest

Buy Seeds
Watermelon

Citrullus lanatus

Start indoors: Dec 4

Transplant outdoors: Jan 15

~80 days to harvest

Buy Seeds
Zucchini

Cucurbita pepo

Start indoors: Dec 4

Transplant outdoors: Jan 15

~50 days to harvest

Buy Seeds

Direct Sow in December

Sow these seeds directly in the ground this month.

Blackberry

Rubus fruticosus

Sow outdoors: Dec 4

~365 days to harvest

Buy Seeds
Blueberry

Vaccinium corymbosum

Sow outdoors: Dec 4

~730 days to harvest

Buy Seeds
Raspberry

Rubus idaeus

Sow outdoors: Dec 4

~365 days to harvest

Buy Seeds
Strawberry

Fragaria × ananassa

Sow outdoors: Dec 4

~90 days to harvest

Buy Seeds
Cilantro

Coriandrum sativum

Sow outdoors: Dec 4

~45 days to harvest

Buy Seeds
Dill

Anethum graveolens

Sow outdoors: Dec 4

~40 days to harvest

Buy Seeds
Mint

Mentha spicata

Sow outdoors: Dec 4

~90 days to harvest

Buy Seeds
Arugula

Eruca vesicaria subsp. sativa

Sow outdoors: Dec 4

~40 days to harvest

Buy Seeds
Bok Choy

Brassica rapa subsp. chinensis

Sow outdoors: Dec 4

~45 days to harvest

Buy Seeds
Endive

Cichorium endivia

Sow outdoors: Dec 4

~85 days to harvest

Buy Seeds
Head Lettuce

Lactuca sativa

Sow outdoors: Dec 4

~70 days to harvest

Buy Seeds
Leaf Lettuce

Lactuca sativa

Sow outdoors: Dec 4

~45 days to harvest

Buy Seeds
Potato

Solanum tuberosum

Sow outdoors: Dec 4

~90 days to harvest

Buy Seeds
Swiss Chard

Beta vulgaris subsp. vulgaris

Sow outdoors: Dec 4

~55 days to harvest

Buy Seeds
Black-eyed Susan

Rudbeckia hirta

Sow outdoors: Dec 4

~85 days to harvest

Buy Seeds
Fava Bean

Vicia faba

Sow outdoors: Dec 4

~85 days to harvest

Buy Seeds
Mizuna

Brassica rapa var. nipposinica

Sow outdoors: Dec 4

~40 days to harvest

Buy Seeds
Sorrel

Rumex acetosa

Sow outdoors: Dec 4

~60 days to harvest

Buy Seeds
Watermelon Radish

Raphanus sativus

Sow outdoors: Dec 4

~60 days to harvest

Buy Seeds
Chervil

Anthriscus cerefolium

Sow outdoors: Dec 4

~50 days to harvest

Buy Seeds
Sweet Pea

Lathyrus odoratus

Sow outdoors: Dec 4

~65 days to harvest

Buy Seeds
Larkspur

Consolida ajacis

Sow outdoors: Dec 4

~65 days to harvest

Buy Seeds
Sweet Alyssum

Lobularia maritima

Sow outdoors: Dec 4

~45 days to harvest

Buy Seeds
Lupine

Lupinus polyphyllus

Sow outdoors: Dec 4

~365 days to harvest

Buy Seeds
Red Currant

Ribes rubrum

Sow outdoors: Dec 4

~730 days to harvest

Buy Seeds
Gooseberry

Ribes uva-crispa

Sow outdoors: Dec 4

~730 days to harvest

Buy Seeds
Rose

Rosa hybrids

Sow outdoors: Dec 4

~70 days to harvest

Buy Seeds
Lilac

Syringa vulgaris

Sow outdoors: Dec 4

~365 days to harvest

Buy Seeds
Red Maple

Acer rubrum

Sow outdoors: Dec 4

Buy Seeds
Japanese Maple

Acer palmatum

Sow outdoors: Dec 4

Buy Seeds
Flowering Dogwood

Cornus florida

Sow outdoors: Dec 4

Buy Seeds
Southern Magnolia

Magnolia grandiflora

Sow outdoors: Dec 4

Buy Seeds
Eastern Redbud

Cercis canadensis

Sow outdoors: Dec 4

Buy Seeds
Arborvitae

Thuja occidentalis

Sow outdoors: Dec 4

Buy Seeds
Sweet Corn

Zea mays var. saccharata

Sow outdoors: Dec 18

~75 days to harvest

Buy Seeds
Summer Savory

Satureja hortensis

Sow outdoors: Dec 18

~60 days to harvest

Buy Seeds
Bachelor Button

Centaurea cyanus

Sow outdoors: Dec 18

~60 days to harvest

Buy Seeds
Elderberry

Sambucus nigra

Sow outdoors: Dec 18

~730 days to harvest

Buy Seeds
Grape Vine

Vitis vinifera

Sow outdoors: Dec 18

~1095 days to harvest

Buy Seeds
Serviceberry

Amelanchier canadensis

Sow outdoors: Dec 18

~1095 days to harvest

Buy Seeds
Persimmon Tree

Diospyros kaki

Sow outdoors: Dec 18

~1460 days to harvest

Buy Seeds
Hydrangea

Hydrangea macrophylla

Sow outdoors: Dec 18

~120 days to harvest

Buy Seeds
Azalea

Rhododendron spp. (azalea group)

Sow outdoors: Dec 18

~365 days to harvest

Buy Seeds
Rhododendron

Rhododendron spp.

Sow outdoors: Dec 18

~365 days to harvest

Buy Seeds
Boxwood

Buxus sempervirens

Sow outdoors: Dec 18

Buy Seeds

Transplant Outdoors in December

Move these seedlings outside — frost danger has passed.

Chives

Allium schoenoprasum

Transplant by: Dec 18

~60 days to harvest

Buy Starts

Free Reminders

Never Miss a Planting Window in Zone 12B

We'll email you each month's planting list for Zone 12B — no spam, unsubscribe anytime.

No spam. Unsubscribe anytime.

Want dates for your exact ZIP code?

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

See What to Plant Right Now