Frost Dates for Corona, CA 92881
Corona has 4 ZIP codes. The Corona, CA frost page lists all of them with their dates.
Last spring frost January 8 · First fall frost December 23 · 349 frost-free days · USDA Zone 10a
ZIP 92881 has about 30,300 people, one of 4 ZIP codes in Corona.
Very long season: 349 frost-free days.
Frost probability for 92881
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | February 19 | January 8 | — |
| Fall (first frost) | November 18 | December 23 | — |
Dates come from NOAA 1971–2000 freeze probabilities at TUSTIN IRVINE RCH (21.7 km away); the 50% date is the median year.
Which crops fit a 349-day season in Corona
In Corona (349 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Dec 4 | Jan 22–Jan 29 | 307 | fits: 80 days to maturity, 307 available after Jan 22. | Aug 23 |
| Pepper | Nov 27 | Jan 22–Jan 29 | 307 | fits: 75 days to maturity, 307 available after Jan 22. | Aug 28 |
| Lettuce | Nov 13 | Dec 11–Dec 18 | 384 | two-plantings: Plant Dec 11 and again by Nov 1; both mature before Dec 30. | Nov 1 |
| Carrots | — | Dec 18–Dec 25 | 391 | fits: 70 days to maturity, 391 available after Dec 18. | Oct 21 |
| Cucumber | Dec 18 | Jan 22–Jan 29 | 321 | two-plantings: Plant Jan 22 and again by Sep 26; both mature before Dec 9. | Sep 26 |
| Beans | — | Jan 15–Jan 29 | 335 | two-plantings: Plant Jan 15 and again by Oct 3; both mature before Dec 16. | Oct 3 |
| Peas | — | Nov 13–Jan 22 | 412 | fits: 65 days to maturity, 412 available after Nov 13. | Oct 12 |
| Zucchini | Dec 25 | Jan 22–Jan 29 | 321 | two-plantings: Plant Jan 22 and again by Oct 1; both mature before Dec 9. | Oct 1 |
| Onion | Oct 16 | Dec 11–Dec 25 | 384 | fits: 100 days to maturity, 384 available after Dec 11. | — |
| Spinach | — | Nov 13–Jan 1 | 426 | two-plantings: Plant Nov 13 and again by Nov 20; both mature before Jan 13. | Nov 20 |
| Kale | Oct 30 | Dec 11–Dec 25 | 398 | two-plantings: Plant Dec 11 and again by Nov 5; both mature before Jan 13. | Nov 5 |
| Broccoli | Nov 13 | Dec 11–Dec 25 | 384 | fits: 80 days to maturity, 384 available after Dec 11. | Sep 27 |
| Cabbage | Nov 13 | Dec 11–Dec 25 | 398 | fits: 70 days to maturity, 398 available after Dec 11. | Oct 21 |
| Radish | — | Nov 13–Feb 5 | 412 | two-plantings: Plant Nov 13 and again by Nov 21; both mature before Dec 30. | Nov 21 |
| Beets | — | Nov 13–Feb 5 | 412 | two-plantings: Plant Nov 13 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Potatoes | — | Dec 25–Jan 1 | 370 | fits: 90 days to maturity, 370 available after Dec 25. | — |
| Garlic | — | Dec 23 | 454 | overwinter: Plant Dec 23 to Jan 13; harvest the following summer. | Jan 13 |
| Strawberry | — | Dec 4–Jan 29 | 405 | perennial: A perennial: plant Dec 4; it fruits from the following year and keeps producing for several years. | — |
| Corn | Dec 11 | Jan 15–Jan 22 | 321 | fits: 75 days to maturity, 321 available after Jan 15. | Sep 4 |
| Pumpkin | Dec 25 | Jan 22–Jan 22 | 314 | fits: 100 days to maturity, 314 available after Jan 22. | Aug 10 |
| Cauliflower | Nov 27 | Jan 1–Jan 15 | 363 | fits: 75 days to maturity, 363 available after Jan 1. | Oct 2 |
| Swiss Chard | Nov 13 | Dec 25–Dec 25 | 370 | two-plantings: Plant Dec 25 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Arugula | — | Nov 13–Feb 5 | 426 | two-plantings: Plant Nov 13 and again by Nov 20; both mature before Jan 13. | Nov 20 |
| Brussel Sprouts | Nov 13 | Dec 11–Dec 25 | 398 | fits: 100 days to maturity, 398 available after Dec 11. | Sep 21 |
| Butternut Squash | Dec 25 | Jan 22–Jan 29 | 314 | fits: 100 days to maturity, 314 available after Jan 22. | Aug 10 |
| Eggplant | Nov 20 | Jan 22–Jan 29 | 307 | fits: 70 days to maturity, 307 available after Jan 22. | Sep 2 |
| Okra | Dec 11 | Jan 15–Jan 22 | 328 | two-plantings: Plant Jan 15 and again by Oct 1; both mature before Dec 9. | Oct 1 |
| Basil | Dec 4 | Jan 29–Jan 29 | 314 | two-plantings: Plant Jan 29 and again by Sep 26; both mature before Dec 9. | Sep 26 |
| Cilantro | — | Dec 11–Jan 1 | 384 | two-plantings: Plant Dec 11 and again by Oct 27; both mature before Dec 30. | Oct 27 |
| Parsley | Oct 30 | Jan 15–Jan 22 | 349 | fits: 70 days to maturity, 349 available after Jan 15. | Oct 7 |
| Celery | Oct 30 | Jan 15–Jan 29 | 349 | fits: 120 days to maturity, 349 available after Jan 15. | Aug 18 |
| Scallions | Oct 30 | Dec 11–Dec 25 | 398 | two-plantings: Plant Dec 11 and again by Oct 31; both mature before Jan 13. | Oct 31 |
| Turnip | — | Dec 11–Dec 25 | 398 | two-plantings: Plant Dec 11 and again by Nov 10; both mature before Jan 13. | Nov 10 |
| Kohlrabi | — | Nov 27–Dec 11 | 412 | two-plantings: Plant Nov 27 and again by Nov 5; both mature before Jan 13. | Nov 5 |
| Bok Choy | Dec 11 | Jan 1–Jan 8 | 363 | two-plantings: Plant Jan 1 and again by Nov 1; both mature before Dec 30. | Nov 1 |
| Collards | Oct 30 | Dec 11–Dec 25 | 398 | two-plantings: Plant Dec 11 and again by Oct 31; both mature before Jan 13. | Oct 31 |
| Cantaloupe | Dec 25 | Jan 22–Jan 29 | 307 | fits: 85 days to maturity, 307 available after Jan 22. | Aug 18 |
| Chives | Oct 16 | Jan 15–Jan 22 | 363 | fits: 90 days to maturity, 363 available after Jan 15. | — |
| Dill | — | Nov 13–Feb 5 | 412 | two-plantings: Plant Nov 13 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Oregano | Oct 30 | Jan 15–Jan 22 | 363 | fits: 80 days to maturity, 363 available after Jan 15. | — |
| Rosemary | Oct 16 | Jan 15–Jan 22 | 349 | fits: 80 days to maturity, 349 available after Jan 15. | — |
| Sage | Nov 13 | Jan 15–Jan 22 | 363 | fits: 75 days to maturity, 363 available after Jan 15. | — |
| Thyme | Oct 30 | Jan 15–Jan 22 | 363 | fits: 90 days to maturity, 363 available after Jan 15. | — |
| Calendula | Nov 27 | Dec 25–Jan 8 | 370 | two-plantings: Plant Dec 25 and again by Oct 27; both mature before Dec 30. | Oct 27 |
| Cosmos | Dec 11 | Jan 8–Jan 22 | 335 | two-plantings: Plant Jan 8 and again by Sep 26; both mature before Dec 9. | Sep 26 |
| Lavender | Oct 16 | Jan 8–Jan 22 | 370 | fits: 90 days to maturity, 370 available after Jan 8. | — |
| Marigolds | Nov 27 | Jan 8–Jan 15 | 335 | two-plantings: Plant Jan 8 and again by Oct 6; both mature before Dec 9. | Oct 6 |
| Melons | Dec 25 | Jan 22–Jan 29 | 307 | fits: 85 days to maturity, 307 available after Jan 22. | Aug 18 |
| Mint | — | Jan 8–Jan 22 | 370 | fits: 90 days to maturity, 370 available after Jan 8. | — |
| Nasturtiums | Dec 11 | Jan 8–Jan 15 | 335 | two-plantings: Plant Jan 8 and again by Oct 1; both mature before Dec 9. | Oct 1 |
| Pole Beans | — | Jan 15–Jan 29 | 328 | fits: 65 days to maturity, 328 available after Jan 15. | Sep 21 |
| Spaghetti Squash | Dec 25 | Jan 22–Jan 29 | 314 | fits: 90 days to maturity, 314 available after Jan 22. | Aug 20 |
| Sunflowers | — | Jan 8–Jan 22 | 335 | fits: 70 days to maturity, 335 available after Jan 8. | Sep 16 |
| Tomatillos | Nov 13 | Jan 15–Jan 22 | 314 | fits: 75 days to maturity, 314 available after Jan 15. | Aug 28 |
| Watermelon | Dec 25 | Jan 15–Jan 22 | 314 | fits: 80 days to maturity, 314 available after Jan 15. | Aug 23 |
| Yellow Squash | Dec 25 | Jan 22–Jan 29 | 321 | two-plantings: Plant Jan 22 and again by Oct 1; both mature before Dec 9. | Oct 1 |
| Zinnias | Dec 11 | Jan 8–Jan 22 | 335 | two-plantings: Plant Jan 8 and again by Sep 26; both mature before Dec 9. | Sep 26 |
Month by month in Corona
| Month | What to do |
|---|---|
| January | Direct sow from: Sunflowers (Jan 8), Beans (Jan 15), Pole Beans (Jan 15). Transplant from: Bok Choy (Jan 1), Cauliflower (Jan 1), Cosmos (Jan 8), Lavender (Jan 8), Marigolds (Jan 8), Mint (Jan 8), +25 more. Last frost around January 8. Last sowing dates: Garlic (Jan 13). |
| February | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| March | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| April | Harvest regularly to encourage production. Monitor for pests and disease. |
| May | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| June | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| July | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| August | Last sowing dates: Butternut Squash (Aug 10), Pumpkin (Aug 10), Cantaloupe (Aug 18), Celery (Aug 18), Melons (Aug 18), Spaghetti Squash (Aug 20), +4 more. |
| September | Last sowing dates: Eggplant (Sep 2), Corn (Sep 4), Sunflowers (Sep 16), Brussel Sprouts (Sep 21), Pole Beans (Sep 21), Basil (Sep 26), +4 more. |
| October | Start indoors: Chives (Oct 16), Lavender (Oct 16), Onion (Oct 16), Rosemary (Oct 16), Celery (Oct 30), Collards (Oct 30), +5 more. Last sowing dates: Nasturtiums (Oct 1), Okra (Oct 1), Yellow Squash (Oct 1), Zucchini (Oct 1), Cauliflower (Oct 2), Beans (Oct 3), +12 more. |
| November | Start indoors: Broccoli (Nov 13), Brussel Sprouts (Nov 13), Cabbage (Nov 13), Lettuce (Nov 13), Sage (Nov 13), Swiss Chard (Nov 13), +6 more. Direct sow from: Arugula (Nov 13), Beets (Nov 13), Dill (Nov 13), Peas (Nov 13), Radish (Nov 13), Spinach (Nov 13), +1 more. Last sowing dates: Bok Choy (Nov 1), Lettuce (Nov 1), Kale (Nov 5), Kohlrabi (Nov 5), Turnip (Nov 10), Arugula (Nov 20), +2 more. |
| December | Start indoors: Basil (Dec 4), Tomato (Dec 4), Bok Choy (Dec 11), Corn (Dec 11), Cosmos (Dec 11), Nasturtiums (Dec 11), +11 more. Direct sow from: Cilantro (Dec 11), Turnip (Dec 11), Carrots (Dec 18), Garlic (Dec 23), Potatoes (Dec 25). Transplant from: Broccoli (Dec 11), Brussel Sprouts (Dec 11), Cabbage (Dec 11), Collards (Dec 11), Kale (Dec 11), Lettuce (Dec 11), +4 more. Plant: Strawberry (Dec 4). First frost around December 23. |
Frequently Asked Questions
What is the last frost date for Corona, CA (ZIP 92881)?
The median last spring frost date for Corona, CA (ZIP code 92881) is around January 8. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Corona, CA?
The median first fall frost date for Corona, CA is around December 23. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Corona, CA?
The frost-free growing season in Corona is about 349 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Corona (349 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Corona, CA?
Corona, CA is in USDA hardiness zone 10a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Corona, CA?
Start tomatoes indoors Dec 4 and plant out Jan 22 in Corona. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Corona?
Two: plant Dec 11 and again by Nov 1; both mature before Dec 30.
When do I plant garlic in Corona?
Dec 23 to Jan 13; it overwinters and is ready the following summer.
Can I get two tomato crops in Corona?
Yes: plant out Jan 22 for a summer crop, and set out a second round of transplants by Aug 23 for a fall crop.
Which nearby ZIP has a longer season?
Foothill Ranch (ZIP 92610) has 360 frost-free days, 11 more than Corona (ZIP 92881). See Foothill Ranch ZIP 92610 frost dates
Nearby and related
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