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When to Plant Lemon Basil in Zone 4

In USDA zone 4, start seeds indoors around April 3, transplant or plant outdoors May 29 to August 2, and expect your first harvest around August 2.

Lemon Basil planting calendar for USDA Zone 4

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Start seeds indoors

Apr 3

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Transplant outdoors

May 29

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Projected first harvest

Aug 2

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

Lemon Basil is ready to harvest in about 65 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 lemon basil

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 lemon basil need about 65 days to mature.

Varieties to grow

1 variety of lemon basil in the HomeSown library. Tap any for its full grow guide.

Common problems with lemon basil

What to watch for, with identification and treatment for each

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