Home › Frost dates › Zone 10a
Zone 10a planting calendar and frost dates
In USDA hardiness zone 10a, the average last spring frost is Jan 8 and the average first fall frost is Dec 24, leaving about 351 frost-free days. To be 90% sure of no later frost, wait until about Feb 13 to plant tender crops. These are medians of 18 NOAA weather stations in zone 10a; their last-frost dates range from Jan 1 to Feb 16.
What to plant each month in zone 10a
January
Tomatoes (plant), Bell peppers (plant), Pumpkins (plant), Cucumbers (plant), Okra (plant), Zucchini (plant), Watermelon (plant), Green beans (plant), Sweet corn (plant), Sweet potatoes (plant), Basil (plant), Dill (plant), Sage (plant), Lavender (plant), Borage (plant), Catmint (plant), Gladiolus (plant), Dahlias (plant), Caladiums (plant), Begonias (plant), Coleus (plant), Marigolds (plant), Zinnias (plant), Sunflowers (plant), Cosmos (plant), Mums (plant), Lantana (plant), Hydrangeas (plant), Coneflowers (plant), Bee balm (plant), Sedum (plant), Jasmine (plant)
February
Grass seed (plant)
September
Broccoli (plant for fall), Cauliflower (plant for fall), Cabbage (plant for fall), Brussels sprouts (plant for fall)
October
Bell peppers (start indoors), Green beans (plant for fall), Peas (plant for fall), Lettuce (plant for fall), Spinach (plant for fall), Kale (plant for fall), Carrots (plant for fall), Beets (plant for fall), Onions (start indoors), Cilantro (plant for fall), Sage (plant for fall), Lavender (start indoors), Lavender (plant for fall), Catmint (plant for fall), Blueberries (plant for fall), Begonias (start indoors), Coleus (start indoors), Mums (plant for fall), Hydrangeas (plant for fall), Rose bushes (plant for fall), Iris (plant), Foxglove (start indoors), Foxglove (plant for fall), Coneflowers (start indoors), Coneflowers (plant for fall), Bee balm (start indoors), Bee balm (plant for fall), Sedum (plant for fall), Grass seed (plant for fall)
November
Tomatoes (start indoors), Peas (plant), Lettuce (start indoors), Spinach (plant), Kale (start indoors), Broccoli (start indoors), Cauliflower (start indoors), Cabbage (start indoors), Brussels sprouts (start indoors), Radishes (plant), Radishes (plant for fall), Basil (start indoors), Sage (start indoors), Strawberries (plant for fall), Daffodils (plant), Dahlias (start indoors), Caladiums (start indoors), Marigolds (start indoors), Peonies (plant), Hostas (plant for fall)
December
Potatoes (plant), Watermelon (start indoors), Lettuce (plant), Kale (plant), Broccoli (plant), Cauliflower (plant), Cabbage (plant), Brussels sprouts (plant), Carrots (plant), Beets (plant), Onions (plant), Garlic (plant), Asparagus (plant), Cilantro (plant), Strawberries (plant), Blueberries (plant), Blackberries (plant), Tulips (plant), Rose bushes (plant), Foxglove (plant), Hostas (plant), Wildflower seeds (plant), Wildflower seeds (plant for fall)
Zone 10a planting dates for every plant
| Plant | Start indoors | Plant outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Nov 13 – Nov 27 | Jan 15 – Jan 29 | – |
| Bell peppers | Oct 30 – Nov 13 | Jan 22 – Feb 5 | – |
| Potatoes | – | Dec 11 – Jan 1 | – |
| Pumpkins | – | Jan 15 – Jan 29 | – |
| Cucumbers | – | Jan 15 – Jan 29 | – |
| Okra | – | Jan 22 – Feb 12 | – |
| Zucchini | – | Jan 15 – Jan 29 | – |
| Watermelon | Dec 11 – Dec 18 | Jan 22 – Feb 5 | – |
| Green beans | – | Jan 15 – Jan 29 | Oct 8 – Oct 22 |
| Sweet corn | – | Jan 15 – Jan 29 | – |
| Sweet potatoes | – | Jan 29 – Feb 12 | – |
| Peas | – | Nov 27 – Dec 18 | Oct 1 – Oct 22 |
| Lettuce | Nov 27 – Dec 11 | Dec 11 – Jan 1 | Oct 29 – Nov 19 |
| Spinach | – | Nov 27 – Dec 18 | Oct 29 – Nov 19 |
| Kale | Nov 13 – Nov 27 | Dec 4 – Dec 25 | Oct 1 – Oct 22 |
| Broccoli | Nov 13 – Nov 27 | Dec 18 – Jan 1 | Sep 24 – Oct 15 |
| Cauliflower | Nov 13 – Nov 27 | Dec 25 – Jan 8 | Sep 24 – Oct 15 |
| Cabbage | Nov 13 – Nov 27 | Dec 11 – Dec 25 | Sep 17 – Oct 8 |
| Brussels sprouts | Nov 13 – Nov 27 | Dec 18 – Jan 1 | Sep 3 – Sep 24 |
| Carrots | – | Dec 18 – Jan 8 | Oct 1 – Oct 15 |
| Beets | – | Dec 11 – Jan 1 | Oct 15 – Oct 29 |
| Radishes | – | Nov 27 – Dec 25 | Nov 12 – Nov 26 |
| Onions | Oct 30 – Nov 13 | Dec 11 – Dec 25 | – |
| Garlic | – | – | Dec 24 – Jan 21 |
| Asparagus | – | Dec 11 – Jan 1 | – |
| Basil | Nov 13 – Nov 27 | Jan 15 – Jan 29 | – |
| Cilantro | – | Dec 25 – Jan 15 | Oct 29 – Nov 26 |
| Dill | – | Jan 8 – Jan 22 | – |
| Sage | Nov 13 – Nov 27 | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Lavender | Oct 16 – Oct 30 | Jan 15 – Feb 5 | Oct 15 – Oct 29 |
| Borage | – | Jan 8 – Jan 22 | – |
| Catmint | – | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Strawberries | – | Dec 11 – Jan 1 | Nov 12 – Nov 26 |
| Blueberries | – | Dec 11 – Jan 1 | Oct 29 – Nov 26 |
| Blackberries | – | Dec 11 – Jan 1 | – |
| Tulips | – | – | Dec 10 – Jan 21 |
| Daffodils | – | – | Nov 26 – Jan 7 |
| Gladiolus | – | Jan 8 – Jan 22 | – |
| Dahlias | Nov 27 – Dec 11 | Jan 15 – Jan 29 | – |
| Caladiums | Nov 27 – Dec 11 | Jan 29 – Feb 12 | – |
| Begonias | Oct 16 – Nov 13 | Jan 15 – Jan 29 | – |
| Coleus | Oct 30 – Nov 13 | Jan 22 – Feb 5 | – |
| Marigolds | Nov 13 – Nov 27 | Jan 8 – Jan 22 | – |
| Zinnias | – | Jan 15 – Jan 29 | – |
| Sunflowers | – | Jan 15 – Jan 29 | – |
| Cosmos | – | Jan 8 – Jan 22 | – |
| Mums | – | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Lantana | – | Jan 22 – Feb 5 | – |
| Hydrangeas | – | Jan 8 – Jan 22 | Oct 29 – Nov 12 |
| Rose bushes | – | Dec 11 – Jan 8 | Oct 29 – Nov 12 |
| Peonies | – | – | Nov 12 – Dec 24 |
| Iris | – | – | Oct 15 – Nov 12 |
| Foxglove | Oct 30 – Nov 13 | Dec 25 – Jan 15 | Oct 29 – Nov 12 |
| Coneflowers | Oct 30 – Nov 13 | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Bee balm | Oct 30 – Nov 13 | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Hostas | – | Dec 25 – Jan 22 | Nov 12 – Nov 26 |
| Sedum | – | Jan 8 – Jan 29 | Oct 29 – Nov 12 |
| Jasmine | – | Jan 22 – Feb 5 | – |
| Wildflower seeds | – | Dec 11 – Jan 1 | Dec 24 – Feb 4 |
| Grass seed | – | Feb 5 – Mar 5 | Oct 22 – Nov 12 |
Places in zone 10a
Weather stations used for this zone include Bodega 6 Wsw, CA; Camp Pendleton Mcas, CA; Corpus Christi Cabaniss, TX; Desert Resorts, CA; El Centro Naf, CA; Harlingen Rio Grande, TX; Hayward Air Terminal, CA; Imperial, CA; Moffett Federal Airfield, CA; Monterey Peninsul, CA; Oakland Metro, CA; Oceanside, CA; Ontario, CA; Phoenix Deer Valley, AZ; Riverside, CA; Santa Barbara, CA; Scottsdale, AZ; Yuma Proving Ground, AZ.
Zone 10a frost dates by state: Arizona · California · Texas