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When to Plant Tomatoes in Zone 10

In USDA zone 10a, start seeds indoors around December 19, transplant or plant outdoors February 13 to May 2, and expect your first harvest around May 2. (10a shown here — see 10a and 10b dates separately below.)

Tomatoes planting calendar for USDA Zone 10a

Average last spring frost

January 30

Average first fall frost

December 30

🌱

Start seeds indoors

Dec 19

🌿

Transplant outdoors

Feb 13

🌾

Projected first harvest

May 2

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 10a (approximate)

Most tomatoes mature in about 55 to 85 days depending on the variety, needing roughly 334 frost-free days in zone 10a.

Tomatoes planting calendar for USDA Zone 10b

Average last spring frost

January 30

Average first fall frost

December 30

🌱

Start seeds indoors

Dec 19

🌿

Transplant outdoors

Feb 13

🌾

Projected first harvest

May 2

J
F
M
A
M
J
J
A
S
O
N
D
🌱 Start indoors🌿 Growing outside🌾 HarvestTodayZone 10b (approximate)

Most tomatoes mature in about 55 to 85 days depending on the variety, needing roughly 334 frost-free days in zone 10b.

Not sure whether you're in 10a or 10b? Set your ZIP in HomeSown for dates tuned to your exact location.

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