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10a Planting calendar for zone 10a

USDA hardiness zone 10a: average annual extreme minimum 30°F to 35°F. 1,234 US ZIP codes fall in this zone.

Freeze dates for zone 10a

Median dates across 166 NOAA weather stations in zone 10a (1991–2020 normals). In zone 10a, the average coldest night of the year falls between 30°F and 35°F.

ThresholdLast spring freeze (median)Typical rangeFirst fall freeze (median)Typical range
36°F (light freeze — tender plants hurt)Feb 4Jan 20 – Feb 21Dec 14Jan 3 – Dec 27
32°F (freeze)Jan 15Jan 6 – Jan 31Dec 20Jan 2 – Dec 30
28°F (hard freeze)Jan 11Jan 3 – Dec 30Jan 9Jan 1 – Dec 30

Growing season at 32°F (50% probability): —.

Planting calendar — zone 10a

Cropjanfebmaraprmayjunjulaugsepoctnovdec
TomatoesT
D
··········S
PeppersT·········SS
CucumbersS
T
D
··········S
Zucchini & Summer SquashS
T
D
··········S
Winter Squash & PumpkinsS
T
D
··········S
Snap BeansD········F··
Sweet CornD···········
Peas·········F·D
LettuceST········FS
D
Spinach··········FD
Carrots·········F·D
Radishes··········FD
BroccoliT········F·S
D
Garlic··········F·
PotatoesD···········

S = start seeds indoors · T = transplant outside · D = direct sow · F = fall planting

Every crop, zone 10a