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USDA Zone 6b planting calendar

In USDA Zone 6b, the average last spring frost is around 04/23 and the first fall frost around 10/20, giving roughly a 179-day growing season. Plant cool-season crops from late winter; warm-season crops after the last frost.
Last frost ~04/23 First frost ~10/20 ~179-day season 126 NOAA stations

Frost dates are the median across 126 NOAA weather stations in Zone 6b (1991–2020 normals, 50% probability). Range: last frost 04/10–05/13, first frost 09/28–10/28. For your exact town, use the ZIP tool.

The year in Zone 6b

What to plant now (November)

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Supplies for November planting in Zone 6b

Picked for what is on this month's list here (Garlic). Reuse what you already have, and check sizes before ordering.

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All crops in Zone 6b

CropStart indoorsTransplant / sowSow for fall
TomatoesMarch 23 – March 30April 27 – May 11—
PeppersMarch 12April 30 – May 14—
EggplantMarch 16 – March 30May 4 – May 18—
BasilMarch 23April 27 – May 11—
BroccoliMarch 5 – March 12March 26 – April 9July 11 – July 25
CabbageFebruary 12 – February 26March 19 – April 2June 1 – June 15
CauliflowerFebruary 26 – March 12April 2 – April 16July 16 – July 30
Brussels SproutsFebruary 19 – March 5March 26 – April 9—
KaleFebruary 12 – February 26March 19 – April 2July 21 – August 4
LettuceFebruary 23 – March 2March 23 – April 6July 6 – July 20
Spinach—March 16 – March 30August 15 – August 29
OnionsJanuary 15 – January 29March 19 – April 2—
LeeksJanuary 22 – February 5March 26 – April 9—
Swiss ChardFebruary 26 – March 5April 2 – April 16—
Radishes—March 26 – April 9August 30 – September 13
Turnips—March 26 – April 9July 31 – August 14
Beets—April 2 – April 16July 26 – August 9
Carrots—April 16 – April 30June 26 – July 10
Peas—March 12 – March 26July 21 – August 4
Beans—April 23 – May 7—
Sweet Corn—April 23 – May 7—
CucumbersApril 6 – April 13April 27 – May 11—
Summer Squash & ZucchiniApril 9 – April 16April 30 – May 14—
Winter SquashApril 9 – April 16April 30 – May 14—
PumpkinsApril 9 – April 16April 30 – May 14—
MelonsApril 9 – April 16April 30 – May 14—
OkraApril 2 – April 16May 7 – May 21—
Potatoes—April 6 – April 20—
ParsleyJanuary 26 – February 2March 30 – April 13—
CollardsFebruary 12 – February 26March 19 – April 2July 6 – July 20
WatermelonApril 9 – April 16April 30 – May 14—
Sweet Potatoes—April 27 – May 11—
CeleryFebruary 5 – February 19April 23 – May 7—
KohlrabiFebruary 12 – February 26March 19 – April 2—
ArtichokeJanuary 29 – February 26April 16 – April 30—
Asparagus—March 23 – April 6—
Cilantro—April 23 – May 7—
Dill—April 6 – April 20—
OreganoFebruary 19 – March 5April 23 – May 7—
SageMarch 5 – March 19April 23 – May 7—
ThymeFebruary 19 – March 5April 23 – May 7—

Fall bulb planting in Zone 6b

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
GarlicOctober 24 – November 7Following summer

Calendar computed 2026-11-09. 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.

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