Plants by Numbers

All zones /

7a Planting calendar for zone 7a

USDA hardiness zone 7a: average annual extreme minimum 0°F to 5°F. 4,877 US ZIP codes fall in this zone.

Freeze dates for zone 7a

Median dates across 1,031 NOAA weather stations in zone 7a (1991–2020 normals). In zone 7a, the average coldest night of the year falls between 0°F and 5°F.

ThresholdLast spring freeze (median)Typical rangeFirst fall freeze (median)Typical range
36°F (light freeze — tender plants hurt)May 1Apr 19 – May 19Oct 10Sep 29 – Oct 19
32°F (freeze)Apr 20Apr 8 – May 7Oct 20Oct 7 – Oct 30
28°F (hard freeze)Apr 7Mar 29 – Apr 26Nov 1Oct 19 – Nov 9

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

Planting calendar — zone 7a

Cropjanfebmaraprmayjunjulaugsepoctnovdec
Tomatoes··ST
D
········
Peppers·SS·T·······
Cucumbers··SS
T
D
········
Zucchini & Summer Squash··SS
T
D
········
Winter Squash & Pumpkins··SS
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··S
D
·T··F····
Garlic········F···
Potatoes···D········

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

Every crop, zone 7a