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10b Planting calendar for zone 10b

USDA hardiness zone 10b: average annual extreme minimum 35°F to 40°F. 752 US ZIP codes fall in this zone.

Freeze dates for zone 10b

Median dates across 69 NOAA weather stations in zone 10b (1991–2020 normals). In zone 10b, the average coldest night of the year falls between 35°F and 40°F.

ThresholdLast spring freeze (median)Typical rangeFirst fall freeze (median)Typical range
36°F (light freeze — tender plants hurt)Jan 17Jan 6 – Jan 28Jan 10Jan 1 – Dec 30
32°F (freeze)Jan 10Jan 5 – Jan 17Jan 7Jan 4 – Jan 14
28°F (hard freeze)Jan 16Jan 15 – Jan 18Jan 15Jan 14 – Jan 16

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

Planting calendar — zone 10b

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

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

Every crop, zone 10b