January in Zone 11
January in Zone 11 (last frost none, first frost none). There are 18 crops to sow, transplant, or harvest this month.
Quick answer · Updated July 2026
In January, Zone 11 gardeners can plant Tomatoes, Tomatillos, Broccoli, Cabbage, Basil, Marigolds, Peas, and Lettuce. Zone 11 is frost-free — the full task list below has timing for each crop.
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- Min Winter Temp
- 40 to 50 °F / 4 to 10 °C
- Last Spring Frost
- None
- First Fall Frost
- None
- Growing Season
- Year-round (365 days)
- Annual Rainfall
- 20–80 in
Gardening in January in Zone 11
In Zone 11, January falls in the prime cool-season window. Unlike colder zones, your strongest growing happens now: mild temperatures let you plant a wide range of vegetables that would struggle in the summer heat.
The planting focus in Zone 11 this month is Tomatoes, Tomatillos, Broccoli, Cabbage, Basil, and Marigolds — see the task cards below for exactly how and when to sow each in your conditions.
About January in the garden
January is the heart of winter in most of the US. For gardeners in cold zones, it is a time for planning, seed ordering, and soil improvement. In warm southern zones, winter vegetables are actively growing and some early planting is underway.
Ordering seeds from catalogs, planning garden layouts, pruning dormant trees and shrubs, starting onion and leek seeds indoors in cold zones, harvesting winter vegetables in Zones 8–13.
- Season
- winter
- Temperature trend
- Coldest month of the year in most regions; average temperatures at seasonal low.
- Daylight
- Shortest days; daylight is slowly increasing from the winter solstice.
- Zone 11 last frost
- None
- Zone 11 first frost
- None
6
Sow indoors
9
Sow outdoors
3
Transplant
0
Harvest
1
Maintenance
🌱 Sow indoors
Start these indoors
Get a jump on the season under lights or on a sunny windowsill so transplants are ready when the weather warms.
Sow ¼ in deep in cell trays; keep at 70–75°F. Germinates in 7–10 days.
Tomatillos
Sow ¼ in deep at 70°F; treat like tomatoes.
Sow ¼ in deep; ready to transplant in 4–6 weeks at 4–5 in tall.
Sow ¼ in deep; harden off well before setting out.
Surface-sow under lights at 70°F; very frost-tender.
Sow ¼ in deep; quick and reliable from seed.
🌿 Sow outdoors
Sow these directly outdoors
Soil and weather are right to sow these straight into the garden where they will grow.
Sow 1 in deep, 2 in apart as soon as soil is workable; trellis tall types.
Surface-sow and barely cover; succession-sow every 2 weeks for a steady supply.
Sow ½ in deep in cold soil; bolts fast once days lengthen and warm.
Sow ½ in deep, thin to 1 in. Ready in just 3–4 weeks — great for kids and impatient gardeners.
Sow ¼ in deep in loose, stone-free soil; keep surface moist until sprouts appear (2–3 weeks).
Sow ½ in deep; each "seed" is a cluster, so thin to 3 in. Eat the thinnings as greens.
Sow ¼ in deep or transplant; extremely cold-hardy.
Sow ½ in deep; succession-sow — it bolts quickly in heat.
Soak seed, sow 1 in deep in cool soil, and give them something to climb.
🪴 Transplant
Transplant these into the garden
Move hardened-off seedlings into their final beds.
🛠️ Maintenance
Harden off and prep beds
Zone 11's last frost lands around now (None).
📌 Harden off indoor seedlings over 7–10 days, work compost into beds, and keep frost cloth handy for surprise late freezes.
When to plant this month's crops in Zone 11
Full planting calendars — start indoors, transplant, and harvest timing — for the crops you're planting in January.
General January tasks
These apply broadly regardless of zone — a useful checklist alongside the zone-specific tasks above.
- ✓Order seeds from catalogs and plan crop rotations
- ✓Inventory stored seeds and discard those past their viability window
- ✓Start onion and leek seeds indoors (cold zones)
- ✓Prune dormant fruit trees and grape vines
- ✓Apply dormant oil sprays to fruit trees before buds swell
- ✓Sharpen and oil garden tools
- ✓Turn compost pile if not frozen
- ✓Plan raised bed improvements and new garden layouts
⚠ Watch-outs for January
- ⚠Protect brassicas and root vegetables from hard freezes in Zones 7–8 with row covers
- ⚠Check overwintering bulbs in storage for rot or desiccation
- ⚠Avoid walking on frozen or waterlogged soil — it compacts severely
- ⚠Monitor houseplants for pests that thrive in dry indoor winter conditions
January in Zone 11: common questions
What can I plant in January in Zone 11?＋
In January, Zone 11 gardeners can sow or transplant Tomatoes, Tomatillos, Broccoli, Cabbage, Basil, Marigolds, Peas, and Lettuce. January in Zone 11 (last frost none, first frost none). There are 18 crops to sow, transplant, or harvest this month.
Does Zone 11 get frost?＋
No — Zone 11 is frost-free year-round. Instead of frost dates, planting follows the tropical seasons: a hot, wet season (roughly May–October) for tropical staples, and a cooler, drier season (roughly November–April) that is the main window for temperate vegetables.
What garden jobs matter most in January in Zone 11?＋
Focus on order seeds from catalogs and plan crop rotations, inventory stored seeds and discard those past their viability window, start onion and leek seeds indoors (cold zones). Watch out for protect brassicas and root vegetables from hard freezes in zones 7–8 with row covers.