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When to Plant Cucumbers in Zone 3

In USDA zone 3, start seeds indoors around May 9, transplant or plant outdoors June 13 to August 10, and expect your first harvest around August 10.

Cucumbers planting calendar for USDA Zone 3

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Start seeds indoors

May 9

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Transplant outdoors

Jun 13

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Projected first harvest

Aug 10

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F
M
A
M
J
J
A
S
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D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3a — approximate

Most cucumbers mature in about 50 to 65 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 cucumbers

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 cucumbers need about 50 to 65 days depending on the variety to mature.

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