Question 1

When should I plant basil in ZIP 90802?

Accepted Answer

In ZIP 90802, the main basil target is around Jan 30, based on the representative Long Beach frost station and USDA zone 10b.

Question 2

When should I start basil seeds indoors in 90802?

Accepted Answer

Start basil seeds indoors in ZIP 90802 around Dec 16, about 35 days before the Jan 20 last-frost estimate.

Question 3

When is the last frost in Long Beach?

Accepted Answer

Long Beach (ZIP 90802) has an average last spring frost around Jan 20, based on the representative Long Beach frost station.

Question 4

When is the first frost in Long Beach?

Accepted Answer

Long Beach (ZIP 90802) has an average first fall frost around Dec 15, leaving about 329 frost-free days.

Question 5

Is this a guaranteed planting date?

Accepted Answer

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

Step	Date	How to use it
Start Indoors	December 16, 2025	Start seeds under lights or in a bright indoor seed-starting space.
Transplant Outdoors	January 30, 2026	Move hardened-off seedlings outside after the frost-risk window.
Direct Sow	January 30, 2026	Sow seed outside when the crop and soil can handle the window.

Start basil seeds indoors around Dec 16

Basil dates for Long Beach, CA