Houston Gardening Guide (2026)
Hot, humid; long warm season, warm-season lawns.
USDA zone
9
Typical last frost
02/20
Typical first frost
12/01
Quick answer (Houston): Gardeners here work in about a 284-day frost-free window around zone 9. State context: Texas (zones 6–10). Start warm crops indoors ~6 weeks before the last frost of 02/20.
Your Houston planting calendar
Pre-filled with Houston's frost dates. Choose a crop to print your plan.
In Texas (typical zone 6–10, last frost ≈ Feb 20, first frost ≈ Dec 1, 284-day season), your Tomato plan:
Start seeds indoors
Jan 9
Sow / transplant outdoors
Mar 6
First harvest
May 15
Spacing / depth
24″ / 0.25″
Month-by-month (Texas, 2026)
| Month | Action |
|---|---|
| Jan | Start indoors |
| Feb | — |
| Mar | Sow · Transplant |
| Apr | — |
| May | Harvest |
| Jun | — |
| Jul | — |
| Aug | — |
| Sep | — |
| Oct | — |
| Nov | — |
| Dec | — |
Start indoors 6 weeks before last frost; transplant after soil warms. Zones 3–13 suitable. Dates are typical; confirm with your county extension and watch the 10-day forecast.