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When to Plant Lemon Basil in Zone 3

In USDA zone 3a, start seeds indoors around April 18, transplant or plant outdoors June 13 to August 17, and expect your first harvest around August 17. (3a shown here — see 3a and 3b dates separately below.)

Lemon Basil planting calendar for USDA Zone 3a

Average last spring frost

May 30

Average first fall frost

September 10

🌱

Start seeds indoors

Apr 18

🌿

Transplant outdoors

Jun 13

🌾

Projected first harvest

Aug 17

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3a (approximate)

Lemon Basil is ready to harvest in about 65 days, needing roughly 103 frost-free days in zone 3a.

Lemon Basil planting calendar for USDA Zone 3b

Average last spring frost

May 20

Average first fall frost

September 15

🌱

Start seeds indoors

Apr 8

🌿

Transplant outdoors

Jun 3

🌾

Projected first harvest

Aug 7

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 3b (approximate)

Lemon Basil is ready to harvest in about 65 days, needing roughly 118 frost-free days in zone 3b.

Not sure whether you're in 3a or 3b? Set your ZIP in HomeSown for dates tuned to your exact location.

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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