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When to Plant Napa Cabbage in Zone 4

In USDA zone 4, start seeds indoors around March 27, transplant or plant outdoors May 1 to July 15, and expect your first harvest around July 15. Zone 4 also has a fall planting window opening around July 12.

Napa Cabbage planting calendar for USDA Zone 4

spring planting

🌱

Start seeds indoors

Mar 27

🌿

Transplant outdoors

May 1

🌾

Projected first harvest

Jul 15

fall planting

🌱

Start seeds indoors

Jun 7

🌿

Transplant outdoors

Jul 12

🌾

Projected first harvest

Sep 25

J
F
M
A
M
J
J
A
S
O
N
D

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 4a — approximate

Napa Cabbage is ready to harvest in about 75 days. Dates use USDA zone 4a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 4 means for napa cabbage

Average last spring frost

May 15

Average first fall frost

September 20

Those two dates are what set the schedule above. Zone 4 gives you roughly 128 frost-free days, and napa cabbage need about 75 days to mature.

Varieties to grow

1 variety of napa cabbage in the HomeSown library. Tap any for its full grow guide.

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