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USDA Zone 8b planting calendar

In USDA Zone 8b, the average last spring frost is around 03/16 and the first fall frost around 11/15, giving roughly a 245-day growing season. Plant cool-season crops from late winter; warm-season crops after the last frost.
Last frost ~03/16 First frost ~11/15 ~245-day season 115 NOAA stations

Frost dates are the median across 115 NOAA weather stations in Zone 8b (1991–2020 normals, 50% probability). Range: last frost 03/05–04/03, first frost 11/02–11/24. For your exact town, use the ZIP tool.

The year in Zone 8b

What to plant now (August)

Broccoli
Sow for fall harvest
Cauliflower
Sow for fall harvest
Kale
Sow for fall harvest
Lettuce
Sow for fall harvest
Turnips
Sow for fall harvest
Beets
Sow for fall harvest
Carrots
Sow for fall harvest
Peas
Sow for fall harvest
Collards
Sow for fall harvest

All crops in Zone 8b

CropStart indoorsTransplant / sowSow for fall
TomatoesFebruary 13 – February 20March 20 – April 3
PeppersFebruary 2March 23 – April 6
EggplantFebruary 6 – February 20March 27 – April 10
BasilFebruary 13March 20 – April 3
BroccoliJanuary 26 – February 2February 16 – March 2August 6 – August 20
CabbageJanuary 5 – January 19February 9 – February 23June 27 – July 11
CauliflowerJanuary 19 – February 2February 23 – March 9August 11 – August 25
Brussels SproutsJanuary 12 – January 26February 16 – March 2
KaleJanuary 5 – January 19February 9 – February 23August 16 – August 30
LettuceJanuary 16 – January 23February 13 – February 27August 1 – August 15
SpinachFebruary 6 – February 20September 10 – September 24
OnionsDecember 8 – December 22February 9 – February 23
LeeksDecember 15 – December 29February 16 – March 2
Swiss ChardJanuary 19 – January 26February 23 – March 9
RadishesFebruary 16 – March 2September 25 – October 9
TurnipsFebruary 16 – March 2August 26 – September 9
BeetsFebruary 23 – March 9August 21 – September 4
CarrotsMarch 9 – March 23July 22 – August 5
PeasFebruary 2 – February 16August 16 – August 30
BeansMarch 16 – March 30
Sweet CornMarch 16 – March 30
CucumbersFebruary 27 – March 6March 20 – April 3
Summer Squash & ZucchiniMarch 2 – March 9March 23 – April 6
Winter SquashMarch 2 – March 9March 23 – April 6
PumpkinsMarch 2 – March 9March 23 – April 6
MelonsMarch 2 – March 9March 23 – April 6
OkraFebruary 23 – March 9March 30 – April 13
PotatoesFebruary 27 – March 13
ParsleyDecember 19 – December 26February 20 – March 6
CollardsJanuary 5 – January 19February 9 – February 23August 1 – August 15
WatermelonMarch 2 – March 9March 23 – April 6
Sweet PotatoesMarch 20 – April 3
CeleryDecember 29 – January 12March 16 – March 30
KohlrabiJanuary 5 – January 19February 9 – February 23
ArtichokeDecember 22 – January 19March 9 – March 23
AsparagusFebruary 13 – February 27
CilantroMarch 16 – March 30
DillFebruary 27 – March 13
OreganoJanuary 12 – January 26March 16 – March 30
SageJanuary 26 – February 9March 16 – March 30
ThymeJanuary 12 – January 26March 16 – March 30

Fall bulb planting in Zone 8b

Planted in fall after the first frost, for harvest the following summer — a separate calendar from the spring/fall-harvest crops above.

CropPlant cloves (fall)Harvest
GarlicNovember 19 – December 3Following summer

Last verified 2026-08-28. Frost: NOAA NCEI 1991–2020 Climate Normals. Zone: USDA 2023 Plant Hardiness Zone Map (PRISM-derived). Planting rules: UNH Extension, Johnny's Selected Seeds, UGA Extension.