Planting calendar
Zone 10 planting calendar
In USDA zone 10, the average last spring frost is around January 31 and the first fall frost around December 15. Here's when to start seeds indoors and when to sow or transplant each crop outside.
| Crop | Start seeds indoors | Sow / transplant outside |
|---|---|---|
| Tomatoes | December 20 | February 7 |
| Peppers | December 6 | February 14 |
| Eggplant | December 6 | February 14 |
| Broccoli | December 27 | January 17 |
| Cabbage | December 27 | January 17 |
| Bush beans | — | February 7 |
| Sweet corn | — | February 7 |
| Cucumber | — | February 7 |
| Squash & zucchini | — | February 7 |
| Carrots | — | January 10 |
| Lettuce | — | January 3 |
| Peas | — | December 20 |
| Radishes | — | January 3 |
| Spinach | — | December 20 |
| Kale | — | January 3 |
Anchored to an approximate zone 10 last frost (January 31). A guide — confirm locally.
FAQ
When is the last frost in zone 10?
Zone 10 has an approximate average last spring frost around January 31 and first fall frost around December 15. Your exact dates vary locally — use these as the anchor for planting.
What can I plant in zone 10 in spring?
Cool crops (peas, lettuce, spinach, kale, radishes, carrots) go in weeks before the last frost; warm crops (tomatoes, peppers, beans, squash, corn, cucumber) after it. The table gives the date for each.
A planting guide, not a guarantee. Zone 10 dates anchor to an approximate average last frost and will shift with your microclimate and the season. Check the local forecast before planting tender crops.