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USDA Zone 2b planting calendar

In USDA Zone 2b, the average last spring frost is around 05/25 and the first fall frost around 09/15, giving roughly a 115-day growing season. Plant cool-season crops from late winter; warm-season crops after the last frost.
Last frost ~05/25 First frost ~09/15 ~115-day season 4 NOAA stations

Frost dates are the median across 4 NOAA weather stations in Zone 2b (1991–2020 normals, 50% probability). Range: last frost 05/12–06/05, first frost 08/21–09/16. For your exact town, use the ZIP tool.

The year in Zone 2b

What to plant now (August)

Radishes
Sow for fall harvest

All crops in Zone 2b

CropStart indoorsTransplant / sowSow for fall
TomatoesApril 24 – May 1May 29 – June 12
PeppersApril 13June 1 – June 15
EggplantApril 17 – May 1June 5 – June 19
BasilApril 24May 29 – June 12
BroccoliApril 6 – April 13April 27 – May 11June 6 – June 20
CabbageMarch 16 – March 30April 20 – May 4April 27 – May 11
CauliflowerMarch 30 – April 13May 4 – May 18June 11 – June 25
Brussels SproutsMarch 23 – April 6April 27 – May 11
KaleMarch 16 – March 30April 20 – May 4June 16 – June 30
LettuceMarch 27 – April 3April 24 – May 8June 1 – June 15
SpinachApril 17 – May 1July 11 – July 25
OnionsFebruary 16 – March 2April 20 – May 4
LeeksFebruary 23 – March 9April 27 – May 11
Swiss ChardMarch 30 – April 6May 4 – May 18
RadishesApril 27 – May 11July 26 – August 9
TurnipsApril 27 – May 11June 26 – July 10
BeetsMay 4 – May 18June 21 – July 5
CarrotsMay 18 – June 1May 22 – June 5
PeasApril 13 – April 27June 16 – June 30
BeansMay 25 – June 8
Sweet CornMay 25 – June 8
CucumbersMay 8 – May 15May 29 – June 12
Summer Squash & ZucchiniMay 11 – May 18June 1 – June 15
Winter SquashMay 11 – May 18June 1 – June 15
PumpkinsMay 11 – May 18June 1 – June 15
MelonsMay 11 – May 18June 1 – June 15
OkraMay 4 – May 18June 8 – June 22
PotatoesMay 8 – May 22
ParsleyFebruary 27 – March 6May 1 – May 15
CollardsMarch 16 – March 30April 20 – May 4June 1 – June 15
WatermelonMay 11 – May 18June 1 – June 15
Sweet PotatoesMay 29 – June 12
CeleryMarch 9 – March 23May 25 – June 8
KohlrabiMarch 16 – March 30April 20 – May 4
ArtichokeMarch 2 – March 30May 18 – June 1
AsparagusApril 24 – May 8
CilantroMay 25 – June 8
DillMay 8 – May 22
OreganoMarch 23 – April 6May 25 – June 8
SageApril 6 – April 20May 25 – June 8
ThymeMarch 23 – April 6May 25 – June 8

Fall bulb planting in Zone 2b

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
GarlicSeptember 19 – October 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.