Plants by Numbers

All zones /

11a Planting calendar for zone 11a

USDA hardiness zone 11a: average annual extreme minimum 40°F to 45°F. 205 US ZIP codes fall in this zone.

Freeze dates for zone 11a

Median dates across 18 NOAA weather stations in zone 11a (1991–2020 normals). In zone 11a, the average coldest night of the year falls between 40°F and 45°F.

ThresholdLast spring freeze (median)Typical rangeFirst fall freeze (median)Typical range
36°F (light freeze — tender plants hurt)Jan 12Jan 9 – Jan 16Jan 8Jan 6 – Jan 10
32°F (freeze)Jan 12Jan 10 – Jan 12Jan 10Jan 8 – Jan 10

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

Planting calendar — zone 11a

Cropjanfebmaraprmayjunjulaugsepoctnovdec
TomatoesT··········S
D
PeppersT·········SS
CucumbersS
T
D
··········S
Zucchini & Summer SquashS
T
D
··········S
Winter Squash & PumpkinsS
T
D
··········S
Snap BeansD·········F·
Sweet CornD···········
Peas··········FD
Lettuce·T········FS
D
Spinach··········FD
Carrots··········FD
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 11a