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USDA Zone 6a planting calendar

In USDA Zone 6a, the average last spring frost is around 04/30 and the first fall frost around 10/15, giving roughly a 170-day growing season. Plant cool-season crops from late winter; warm-season crops after the last frost.
Last frost ~04/30 First frost ~10/15 ~170-day season 112 NOAA stations

Frost dates are the median across 112 NOAA weather stations in Zone 6a (1991–2020 normals, 50% probability). Range: last frost 04/16–05/16, first frost 10/01–10/23. For your exact town, use the ZIP tool.

The year in Zone 6a

What to plant now (November)

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Supplies for November planting in Zone 6a

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 6a

CropStart indoorsTransplant / sowSow for fall
TomatoesMarch 30 – April 6May 4 – May 18—
PeppersMarch 19May 7 – May 21—
EggplantMarch 23 – April 6May 11 – May 25—
BasilMarch 30May 4 – May 18—
BroccoliMarch 12 – March 19April 2 – April 16July 6 – July 20
CabbageFebruary 19 – March 5March 26 – April 9May 27 – June 10
CauliflowerMarch 5 – March 19April 9 – April 23July 11 – July 25
Brussels SproutsFebruary 26 – March 12April 2 – April 16—
KaleFebruary 19 – March 5March 26 – April 9July 16 – July 30
LettuceMarch 2 – March 9March 30 – April 13July 1 – July 15
Spinach—March 23 – April 6August 10 – August 24
OnionsJanuary 22 – February 5March 26 – April 9—
LeeksJanuary 29 – February 12April 2 – April 16—
Swiss ChardMarch 5 – March 12April 9 – April 23—
Radishes—April 2 – April 16August 25 – September 8
Turnips—April 2 – April 16July 26 – August 9
Beets—April 9 – April 23July 21 – August 4
Carrots—April 23 – May 7June 21 – July 5
Peas—March 19 – April 2July 16 – July 30
Beans—April 30 – May 14—
Sweet Corn—April 30 – May 14—
CucumbersApril 13 – April 20May 4 – May 18—
Summer Squash & ZucchiniApril 16 – April 23May 7 – May 21—
Winter SquashApril 16 – April 23May 7 – May 21—
PumpkinsApril 16 – April 23May 7 – May 21—
MelonsApril 16 – April 23May 7 – May 21—
OkraApril 9 – April 23May 14 – May 28—
Potatoes—April 13 – April 27—
ParsleyFebruary 2 – February 9April 6 – April 20—
CollardsFebruary 19 – March 5March 26 – April 9July 1 – July 15
WatermelonApril 16 – April 23May 7 – May 21—
Sweet Potatoes—May 4 – May 18—
CeleryFebruary 12 – February 26April 30 – May 14—
KohlrabiFebruary 19 – March 5March 26 – April 9—
ArtichokeFebruary 5 – March 5April 23 – May 7—
Asparagus—March 30 – April 13—
Cilantro—April 30 – May 14—
Dill—April 13 – April 27—
OreganoFebruary 26 – March 12April 30 – May 14—
SageMarch 12 – March 26April 30 – May 14—
ThymeFebruary 26 – March 12April 30 – May 14—

Fall bulb planting in Zone 6a

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 19 – November 2Following 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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