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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 (October)

Garlic
Plant cloves (harvest next summer)

Choose supplies for your planting plan

Check the crop's sowing method first. Trays and seed-starting mix are for indoor starts; row cover can help protect outdoor seedlings. Reuse supplies you already have, and check product dimensions before ordering.

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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
Spinach—April 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—
Radishes—April 27 – May 11July 26 – August 9
Turnips—April 27 – May 11June 26 – July 10
Beets—May 4 – May 18June 21 – July 5
Carrots—May 18 – June 1May 22 – June 5
Peas—April 13 – April 27June 16 – June 30
Beans—May 25 – June 8—
Sweet Corn—May 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—
Potatoes—May 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 Potatoes—May 29 – June 12—
CeleryMarch 9 – March 23May 25 – June 8—
KohlrabiMarch 16 – March 30April 20 – May 4—
ArtichokeMarch 2 – March 30May 18 – June 1—
Asparagus—April 24 – May 8—
Cilantro—May 25 – June 8—
Dill—May 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

Calendar computed 2026-10-01. 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.