Growing in Houston
- USDA zone (2023)
- 9a-9b
- Median last frost
- February 10
- Median first frost
- December 5
- Growing season
- ~298 days
Frost dates are medians from NOAA climate normals: in half of years, frost comes later. The windows below are computed from each crop's planting rules against this city's dates, treat them as the center of the target, not the edges.
Tomato in Houston
| Step | Window | Notes |
|---|---|---|
| Transplant out | July 8 to October 6 | In zones 9-11 the main season inverts: set plants in late summer through fall (and again in late winter), avoiding peak summer heat. Where frost never comes, plant September through February. |
→ Full tomato calendar & suitable varieties for Houston
Pepper in Houston
| Step | Window | Notes |
|---|---|---|
| Transplant out | July 8 to September 21 | In zones 9-11 set plants for fall and winter harvest; C. chinense types especially need the long warm season and will overwinter. |
→ Full pepper calendar & suitable varieties for Houston
Other crops with rules for this climate
Data sources
Evidence: 2 sources, all independent references.
- USDA Plant Hardiness Zone Map (2023) · USDA Agricultural Research Service / Oregon State PRISM (2023), University or Government
- U.S. Climate Normals (1991-2020) · NOAA National Centers for Environmental Information (2021), University or Government