Question 1

When should I plant kale in ZIP 77002?

Accepted Answer

In ZIP 77002, the main kale target is around Feb 6, based on the representative Houston frost station and USDA zone 9b.

Question 2

When should I start kale seeds indoors in 77002?

Accepted Answer

Start kale seeds indoors in ZIP 77002 around Jan 16, about 35 days before the Feb 20 last-frost estimate.

Question 3

When is the last frost in Houston?

Accepted Answer

Houston (ZIP 77002) has an average last spring frost around Feb 20, based on the representative Houston frost station.

Question 4

When is the first frost in Houston?

Accepted Answer

Houston (ZIP 77002) has an average first fall frost around Dec 5, leaving about 288 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	January 16, 2026	Start seeds under lights or in a bright indoor seed-starting space.
Transplant Outdoors	February 6, 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 kale seeds indoors around Jan 16

Kale dates for Houston, TX