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When to Plant Kale in Zone 3

In USDA zone 3, start seeds indoors around March 28, transplant or plant outdoors May 2 to June 26, and expect your first harvest around June 26. Zone 3 also has a fall planting window opening around July 23.

Kale planting calendar for USDA Zone 3

spring planting

🌱

Start seeds indoors

Mar 28

🌿

Transplant outdoors

May 2

🌾

Projected first harvest

Jun 26

fall planting

🌱

Start seeds indoors

Jun 18

🌿

Transplant outdoors

Jul 23

🌾

Projected first harvest

Sep 16

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

spring planting

fall planting

🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3a — approximate

Most kale mature in about 55 to 60 days depending on the variety. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.

What zone 3 means for kale

Average last spring frost

May 30

Average first fall frost

September 10

Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and kale need about 55 to 60 days depending on the variety to mature.

Varieties to grow

3 varieties of kale in the HomeSown library. Tap any for its full grow guide.

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