When Is the Last Frost?

Zone 8b planting calendar

USDA zone 8b has average winter lows of 15°F to 20°F. Across 3,417 ZIP codes in this zone, the typical last spring frost is March 16 and the first fall frost is November 14.

Zone dates are an average — get your own

Zone 8b vegetable planting calendar

Crop
JFMAMJJASOND
Start indoors: Dec 22 to Jan 5Start indoors: Dec 22 to Jan 5Transplant outside: Feb 16 to Mar 2
Start indoors: Jan 5 to Jan 19Transplant outside: Mar 30 to Apr 13
Start indoors: Jan 5 to Jan 19Transplant outside: Mar 30 to Apr 13
Start indoors: Jan 19 to Feb 2Transplant outside: Mar 23 to Apr 6
Start indoors: Jan 19 to Feb 2Transplant outside: Feb 23 to Mar 9Sow outdoors: Feb 16 to Mar 23Plant for fall: Sep 19 to Oct 17
Start indoors: Jan 19 to Feb 2Transplant outside: Feb 16 to Mar 2Sow outdoors: Feb 16 to Mar 2Plant for fall: Sep 5 to Sep 26
Start indoors: Jan 19 to Feb 2Transplant outside: Mar 2 to Mar 16Plant for fall: Aug 8 to Aug 29
Start indoors: Jan 19 to Feb 2Transplant outside: Feb 23 to Mar 9Plant for fall: Aug 8 to Aug 29
Start indoors: Jan 19 to Feb 2Transplant outside: Mar 2 to Mar 16Plant for fall: Aug 8 to Aug 29
Start indoors: Feb 2 to Feb 16Transplant outside: Apr 6 to Apr 20Sow outdoors: Apr 6 to Apr 20
Start indoors: Feb 2 to Feb 16Transplant outside: Mar 23 to Apr 6
Sow outdoors: Feb 2 to Feb 23Plant for fall: Aug 22 to Sep 12
Sow outdoors: Feb 2 to Feb 23Plant for fall: Sep 19 to Oct 10
Sow outdoors: Feb 9 to Mar 23Plant for fall: Oct 3 to Oct 24
Start indoors: Feb 16 to Feb 23Transplant outside: Mar 30 to Apr 6Sow outdoors: Mar 23 to Apr 6Plant for fall: Aug 29 to Sep 12
Start indoors: Feb 16 to Feb 23Sow outdoors: Mar 23 to Apr 6Plant for fall: Sep 5 to Sep 19
Start indoors: Feb 16 to Feb 23Sow outdoors: Mar 23 to Apr 6
Start indoors: Feb 16 to Feb 23Transplant outside: Mar 30 to Apr 13
Sow outdoors: Feb 23 to Mar 23Plant for fall: Aug 22 to Sep 5
Sow outdoors: Feb 23 to Mar 23Plant for fall: Sep 5 to Sep 19
Sow outdoors: Feb 23 to Mar 16
Sow outdoors: Mar 2 to Mar 30Plant for fall: Sep 5 to Sep 19
Sow outdoors: Mar 2 to Mar 23Plant for fall: Sep 19 to Oct 10
Sow outdoors: Mar 23 to Apr 13Plant for fall: Aug 29 to Sep 12
Sow outdoors: Mar 23 to Apr 6
Transplant outside: Mar 30 to Apr 20
Plant for fall: Oct 31 to Dec 5
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates

When to plant in zone 8b

CropStart indoorsTransplantSow outdoorsFall crop
OnionsDec 22 – Jan 5Feb 16 – Mar 2——
PeppersJan 5 – Jan 19Mar 30 – Apr 13——
EggplantJan 5 – Jan 19Mar 30 – Apr 13——
TomatoesJan 19 – Feb 2Mar 23 – Apr 6——
LettuceJan 19 – Feb 2Feb 23 – Mar 9Feb 16 – Mar 23Sep 19 – Oct 17
KaleJan 19 – Feb 2Feb 16 – Mar 2Feb 16 – Mar 2Sep 5 – Sep 26
BroccoliJan 19 – Feb 2Mar 2 – Mar 16—Aug 8 – Aug 29
CabbageJan 19 – Feb 2Feb 23 – Mar 9—Aug 8 – Aug 29
CauliflowerJan 19 – Feb 2Mar 2 – Mar 16—Aug 8 – Aug 29
OkraFeb 2 – Feb 16Apr 6 – Apr 20Apr 6 – Apr 20—
BasilFeb 2 – Feb 16Mar 23 – Apr 6——
Peas——Feb 2 – Feb 23Aug 22 – Sep 12
Spinach——Feb 2 – Feb 23Sep 19 – Oct 10
Radishes——Feb 9 – Mar 23Oct 3 – Oct 24
CucumbersFeb 16 – Feb 23Mar 30 – Apr 6Mar 23 – Apr 6Aug 29 – Sep 12
Zucchini & Summer SquashFeb 16 – Feb 23—Mar 23 – Apr 6Sep 5 – Sep 19
Winter Squash & PumpkinsFeb 16 – Feb 23—Mar 23 – Apr 6—
Melons & WatermelonFeb 16 – Feb 23Mar 30 – Apr 13——
Carrots——Feb 23 – Mar 23Aug 22 – Sep 5
Beets——Feb 23 – Mar 23Sep 5 – Sep 19
Potatoes——Feb 23 – Mar 16—
Swiss Chard——Mar 2 – Mar 30Sep 5 – Sep 19
Cilantro——Mar 2 – Mar 23Sep 19 – Oct 10
Green Beans——Mar 23 – Apr 13Aug 29 – Sep 12
Sweet Corn——Mar 23 – Apr 6—
Sweet Potatoes—Mar 30 – Apr 20——
Garlic———Oct 31 – Dec 5