Cypress, TX planting zone & frost dates
Cypress is in USDA hardiness zone 9b. The last spring frost usually comes around February 19 and the first fall frost around December 3, for a growing season of about 290 days.
Planting calendar for Cypress
Dates are counted from the average last spring frost (February 19) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Dec 25 – Jan 8 Transplant outdoors: Feb 26 – Mar 5 |
| Peppers | Start seeds indoors: Dec 11 – Dec 25 Transplant outdoors: Mar 5 – Mar 12 |
| Eggplant | Start seeds indoors: Dec 11 – Dec 25 Transplant outdoors: Mar 5 – Mar 12 |
| Broccoli | Start seeds indoors: Dec 11 – Dec 25 Transplant outdoors: Jan 22 – Feb 5 |
| Cabbage | Start seeds indoors: Dec 11 – Dec 25 Transplant outdoors: Jan 22 – Feb 5 |
| Onions (sets) | Plant outdoors: Jan 22 – Feb 5 |
| Peas | Sow outdoors: Jan 8 – Jan 22 |
| Spinach | Sow outdoors: Jan 8 – Jan 22 |
| Lettuce | Sow outdoors: Jan 22 – Feb 5 |
| Carrots | Sow outdoors: Jan 22 – Feb 5 |
| Potatoes | Plant outdoors: Jan 22 – Feb 5 |
| Beans | Sow outdoors: Feb 26 – Mar 5 |
| Sweet corn | Sow outdoors: Feb 26 – Mar 5 |
| Cucumbers | Sow outdoors: Feb 26 – Mar 5 |
| Squash & zucchini | Sow outdoors: Feb 26 – Mar 5 |
| Basil | Start seeds indoors: Jan 8 – Jan 22 Transplant outdoors: Feb 26 – Mar 5 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 8 (8 weeks before the average first fall frost on Dec 3).
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Jan 21 | Feb 19 | Mar 15 |
| First 32°F frost in fall is before | Jan 5 | Dec 3 | Nov 13 |
How to read it: in spring there is a 10% chance of a frost after March 15, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 13. A hard freeze (28°F) usually ends around January 31.
Hardiness zone by ZIP code in Cypress
- 77410 zone 9b
- 77429 zone 9b
- 77433 zone 9a
Nearby cities
- Tomball zone 9b, last frost Feb 19
- Katy zone 9b, last frost Feb 2
- Cinco Ranch zone 9b, last frost Feb 2
- Mission Bend zone 9b, last frost Feb 2
- The Woodlands zone 9a, last frost Feb 19
- Spring zone 9b, last frost Feb 13
- Four Corners zone 9b, last frost Feb 2
- Pecan Grove zone 9b, last frost Feb 9
Questions
What growing zone is Cypress, TX?
Cypress is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 9a.
When is the last frost in Cypress?
The average last spring frost (32°F) in Cypress is February 19. There is still a 10% chance of frost until March 15.
When can I plant tomatoes in Cypress?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Feb 26 – Mar 5. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Houston Hooks Mem Ap, TX (USW00053910), 17.4 km (10.8 mi) from the city center, elevation 46 m, based on 17 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.