Clovis, CA planting zone & frost dates
Clovis is in USDA hardiness zone 9b. The last spring frost usually comes around January 14 and the first fall frost around December 14, for a growing season of about 337 days.
Planting calendar for Clovis
Dates are counted from the average last spring frost (January 14) 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: Nov 19 – Dec 3 Transplant outdoors: Jan 21 – Jan 28 |
| Peppers | Start seeds indoors: Nov 5 – Nov 19 Transplant outdoors: Jan 28 – Feb 4 |
| Eggplant | Start seeds indoors: Nov 5 – Nov 19 Transplant outdoors: Jan 28 – Feb 4 |
| Broccoli | Start seeds indoors: Nov 5 – Nov 19 Transplant outdoors: Dec 17 – Dec 31 |
| Cabbage | Start seeds indoors: Nov 5 – Nov 19 Transplant outdoors: Dec 17 – Dec 31 |
| Onions (sets) | Plant outdoors: Dec 17 – Dec 31 |
| Peas | Sow outdoors: Dec 3 – Dec 17 |
| Spinach | Sow outdoors: Dec 3 – Dec 17 |
| Lettuce | Sow outdoors: Dec 17 – Dec 31 |
| Carrots | Sow outdoors: Dec 17 – Dec 31 |
| Potatoes | Plant outdoors: Dec 17 – Dec 31 |
| Beans | Sow outdoors: Jan 21 – Jan 28 |
| Sweet corn | Sow outdoors: Jan 21 – Jan 28 |
| Cucumbers | Sow outdoors: Jan 21 – Jan 28 |
| Squash & zucchini | Sow outdoors: Jan 21 – Jan 28 |
| Basil | Start seeds indoors: Dec 3 – Dec 17 Transplant outdoors: Jan 21 – Jan 28 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 19 (8 weeks before the average first fall frost on Dec 14).
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 22 | Jan 14 | Feb 11 |
| First 32°F frost in fall is before | Jan 12 | Dec 14 | Nov 29 |
How to read it: in spring there is a 10% chance of a frost after February 11, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 29. A hard freeze (28°F) usually ends around January 1.
Hardiness zone by ZIP code in Clovis
- 93611 zone 9b
- 93612 zone 9b
- 93613 zone 9b
- 93619 zone 9b
Nearby cities
Questions
What growing zone is Clovis, CA?
Clovis is in USDA Plant Hardiness Zone 9b (average extreme winter low 25°F to 30°F), according to the USDA 2023 map.
When is the last frost in Clovis?
The average last spring frost (32°F) in Clovis is January 14. There is still a 10% chance of frost until February 11.
When can I plant tomatoes in Clovis?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 21 – Jan 28. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Fresno Yosemite Intl Ap, CA (USW00093193), 5.2 km (3.2 mi) from the city center, elevation 102 m, based on 30 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.