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8b Planting calendar for zone 8b

USDA hardiness zone 8b: average annual extreme minimum 15°F to 20°F. 3,379 US ZIP codes fall in this zone.

Freeze dates for zone 8b

Median dates across 867 NOAA weather stations in zone 8b (1991–2020 normals). In zone 8b, the average coldest night of the year falls between 15°F and 20°F.

ThresholdLast spring freeze (median)Typical rangeFirst fall freeze (median)Typical range
36°F (light freeze — tender plants hurt)Apr 5Mar 27 – May 8Nov 1Oct 10 – Nov 10
32°F (freeze)Mar 23Mar 10 – Apr 18Nov 12Oct 29 – Nov 22
28°F (hard freeze)Mar 4Feb 22 – Mar 21Nov 28Nov 14 – Dec 5

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

Planting calendar — zone 8b

Cropjanfebmaraprmayjunjulaugsepoctnovdec
Tomatoes·ST
D
·········
PeppersSS·T········
Cucumbers··S
T
D
·········
Zucchini & Summer Squash··S
T
D
·········
Winter Squash & Pumpkins··S
T
D
·········
Snap Beans··D·····F···
Sweet Corn··D·········
Peas·D······F···
Lettuce·S
D
ST····F···
Spinach·D······F···
Carrots·D······F···
Radishes·D·······F··
Broccoli·SS
D
T····F···
Garlic·········F··
Potatoes··D·········

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

Every crop, zone 8b