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Sprout Authority

USDA zone 6a planting guide

A typical location in zone 6a sees its last spring frost around April 29 and its first fall frost around October 16. Pick a crop for its zone 6a planting dates, or get dates for your exact ZIP.

The zone 6a planting year

When to start, transplant, sow, and harvest each crop in a typical zone 6alocation. Tap a crop for its full guide.

Start indoorsTransplantDirect sowFall plantingHarvest
Planting calendar for Zone 6a typical: sow, transplant, and harvest windows by crop.
CropActivityWhen
TomatoStart indoorsMarch 18 – March 25
TomatoTransplantApril 29 – May 13
PepperStart indoorsMarch 4
PepperTransplantApril 29 – May 13
EggplantStart indoorsMarch 4
EggplantTransplantApril 29 – May 13
PotatoDirect sowApril 8 – April 15
CucumberStart indoorsApril 1
CucumberTransplantApril 29 – May 13
CucumberDirect sowApril 29 – May 13
ZucchiniDirect sowApril 29 – May 13
ZucchiniHarvestJune 23 – July 7 (About 55 to 55 days from sowing.)
Winter SquashDirect sowApril 29 – May 13
PumpkinDirect sowApril 29 – May 13
PumpkinHarvestJuly 8 – September 10 (About 70 to 120 days from sowing.)
WatermelonTransplantApril 29 – May 13
WatermelonDirect sowApril 29 – May 13
WatermelonHarvestJuly 23 – August 11 (About 85 to 90 days from transplanting.)
CantaloupeTransplantApril 29 – May 13
CantaloupeDirect sowApril 29 – May 13
Sweet CornDirect sowApril 29 – May 13
Sweet CornHarvestJune 28 – August 11 (About 60 to 90 days from sowing.)
BroccoliStart indoorsFebruary 18 – March 4
BroccoliTransplantApril 8 – April 15
BroccoliDirect sowApril 8 – April 15
CauliflowerStart indoorsFebruary 25 – March 11
CauliflowerTransplantApril 15 – April 22
CauliflowerDirect sowApril 15 – April 22
CauliflowerFall plantingAugust 7 – September 11
CabbageStart indoorsFebruary 18 – March 4
CabbageTransplantApril 8 – April 15
CabbageDirect sowApril 8 – April 15
CabbageFall plantingAugust 7 – September 11
Brussels SproutsFall plantingJune 19
KaleStart indoorsFebruary 11 – February 25
KaleTransplantMarch 25 – April 1
KaleDirect sowMarch 25 – April 1
KaleFall plantingAugust 14 – September 18
CollardsStart indoorsMarch 4
CollardsTransplantApril 15
CollardsDirect sowApril 8
CollardsHarvestJune 7 – June 27 (About 60 to 80 days from sowing.)
CollardsFall plantingJuly 17
LettuceStart indoorsMarch 18 – March 25
LettuceTransplantApril 29
LettuceDirect sowApril 8 – April 15
LettuceFall plantingJuly 17 – August 21
SpinachStart indoorsMarch 18 – March 25
SpinachTransplantApril 29
SpinachDirect sowApril 1 – April 8
SpinachFall plantingAugust 7 – September 11
Swiss ChardStart indoorsMarch 18 – March 25
Swiss ChardTransplantApril 29
Swiss ChardDirect sowApril 1 – April 8
Swiss ChardFall plantingSeptember 18 – September 25
CarrotDirect sowApril 8 – April 15
CarrotHarvestJune 17 – July 24 (About 70 to 100 days from sowing.)
RadishDirect sowApril 8 – April 15
RadishHarvestMay 3 – May 30 (About 25 to 45 days from sowing.)
BeetDirect sowApril 8 – April 15
BeetHarvestJune 7 – July 4 (About 60 to 80 days from sowing.)
ParsnipDirect sowApril 8 – April 15
ParsnipHarvestJuly 17 – August 13 (About 100 to 120 days from sowing.)
GarlicFall plantingOctober 23 – October 30
Green Bean (Snap Bean)Direct sowApril 22
Green Bean (Snap Bean)HarvestJune 11 – June 21 (About 50 to 60 days from sowing.)
BasilStart indoorsMarch 4 – March 18
BasilDirect sowApril 29
ParsleyStart indoorsMarch 4 – March 18
ParsleyDirect sowApril 29
DillDirect sowApril 29
RhubarbStart indoorsMarch 18
SunflowerDirect sowApril 29 – May 13
MarigoldStart indoorsMarch 18 – April 1
MarigoldTransplantApril 29 – May 13
MarigoldDirect sowApril 29 – May 13
PetuniaStart indoorsFebruary 18 – March 4
PetuniaTransplantApril 29 – May 13
DahliaTransplantApril 29 – May 13
English LavenderTransplantApril 29 – May 13

USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Zone dates are medians across the zone; your town varies.