Frost Dates for Hemet, CA 92544
Last spring frost May 10 · First fall frost November 9 · 183 frost-free days · USDA Zone 9b
ZIP 92544 has about 51,800 people, the largest of 3 ZIP codes in Hemet.
Long season: 183 frost-free days. Spring frost risk spans April 14–June 6 (53 days). Fall frost risk spans October 18–December 1 (44 days).
Frost probability for 92544
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 6 | May 10 | April 14 |
| Fall (first frost) | October 18 | November 9 | December 1 |
Dates come from NOAA 1971–2000 freeze probabilities at PALOMAR MTN OBSY (29.8 km away); the 50% date is the median year.
Frost dates by ZIP code in Hemet, CA
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 92544 | May 10 | November 9 | 9b |
| 92545 | March 19 | November 29 | 9b |
| 92543 | May 10 | November 9 | 9b |
Which crops fit a 183-day season in Hemet
In Hemet (183 frost-free days, a 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 | Apr 5 | May 24–May 31 | 141 | fits: 80 days to maturity, 141 available after May 24. | Jul 10 |
| Pepper | Mar 29 | May 24–May 31 | 141 | fits: 75 days to maturity, 141 available after May 24. | Jul 15 |
| Lettuce | Mar 15 | Apr 12–Apr 19 | 218 | two-plantings: Plant Apr 12 and again by Sep 18; both mature before Nov 16. | Sep 18 |
| Carrots | — | Apr 19–Apr 26 | 225 | fits: 70 days to maturity, 225 available after Apr 19. | Sep 7 |
| Cucumber | Apr 19 | May 24–May 31 | 155 | two-plantings: Plant May 24 and again by Aug 13; both mature before Oct 26. | Aug 13 |
| Beans | — | May 17–May 31 | 169 | two-plantings: Plant May 17 and again by Aug 20; both mature before Nov 2. | Aug 20 |
| Peas | — | Mar 15–May 24 | 246 | fits: 65 days to maturity, 246 available after Mar 15. | Aug 29 |
| Zucchini | Apr 26 | May 24–May 31 | 155 | two-plantings: Plant May 24 and again by Aug 18; both mature before Oct 26. | Aug 18 |
| Onion | Feb 15 | Apr 12–Apr 26 | 218 | fits: 100 days to maturity, 218 available after Apr 12. | — |
| Spinach | — | Mar 15–May 3 | 260 | two-plantings: Plant Mar 15 and again by Oct 7; both mature before Nov 30. | Oct 7 |
| Kale | Mar 1 | Apr 12–Apr 26 | 232 | two-plantings: Plant Apr 12 and again by Sep 22; both mature before Nov 30. | Sep 22 |
| Broccoli | Mar 15 | Apr 12–Apr 26 | 218 | fits: 80 days to maturity, 218 available after Apr 12. | Aug 14 |
| Cabbage | Mar 15 | Apr 12–Apr 26 | 232 | fits: 70 days to maturity, 232 available after Apr 12. | Sep 7 |
| Radish | — | Mar 15–Jun 7 | 246 | two-plantings: Plant Mar 15 and again by Oct 8; both mature before Nov 16. | Oct 8 |
| Beets | — | Mar 15–Jun 7 | 246 | two-plantings: Plant Mar 15 and again by Sep 8; both mature before Nov 16. | Sep 8 |
| Potatoes | — | Apr 26–May 3 | 204 | fits: 90 days to maturity, 204 available after Apr 26. | — |
| Garlic | — | Nov 9 | 288 | overwinter: Plant Nov 9 to Nov 30; harvest the following summer. | Nov 30 |
| Strawberry | — | Apr 5–May 31 | 239 | perennial: A perennial: plant Apr 5; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 12 | May 17–May 24 | 155 | fits: 75 days to maturity, 155 available after May 17. | Jul 22 |
| Pumpkin | Apr 26 | May 24–May 24 | 148 | fits: 100 days to maturity, 148 available after May 24. | Jun 27 |
| Cauliflower | Mar 29 | May 3–May 17 | 197 | fits: 75 days to maturity, 197 available after May 3. | Aug 19 |
| Swiss Chard | Mar 15 | Apr 26–Apr 26 | 204 | two-plantings: Plant Apr 26 and again by Sep 8; both mature before Nov 16. | Sep 8 |
| Arugula | — | Mar 15–Jun 7 | 260 | two-plantings: Plant Mar 15 and again by Oct 7; both mature before Nov 30. | Oct 7 |
| Brussel Sprouts | Mar 15 | Apr 12–Apr 26 | 232 | fits: 100 days to maturity, 232 available after Apr 12. | Aug 8 |
| Butternut Squash | Apr 26 | May 24–May 31 | 148 | fits: 100 days to maturity, 148 available after May 24. | Jun 27 |
| Eggplant | Mar 22 | May 24–May 31 | 141 | fits: 70 days to maturity, 141 available after May 24. | Jul 20 |
| Okra | Apr 12 | May 17–May 24 | 162 | two-plantings: Plant May 17 and again by Aug 18; both mature before Oct 26. | Aug 18 |
| Basil | Apr 5 | May 31–May 31 | 148 | two-plantings: Plant May 31 and again by Aug 13; both mature before Oct 26. | Aug 13 |
| Cilantro | — | Apr 12–May 3 | 218 | two-plantings: Plant Apr 12 and again by Sep 13; both mature before Nov 16. | Sep 13 |
| Parsley | Mar 1 | May 17–May 24 | 183 | fits: 70 days to maturity, 183 available after May 17. | Aug 24 |
| Celery | Mar 1 | May 17–May 31 | 183 | fits: 120 days to maturity, 183 available after May 17. | Jul 5 |
| Scallions | Mar 1 | Apr 12–Apr 26 | 232 | two-plantings: Plant Apr 12 and again by Sep 17; both mature before Nov 30. | Sep 17 |
| Turnip | — | Apr 12–Apr 26 | 232 | two-plantings: Plant Apr 12 and again by Sep 27; both mature before Nov 30. | Sep 27 |
| Kohlrabi | — | Mar 29–Apr 12 | 246 | two-plantings: Plant Mar 29 and again by Sep 22; both mature before Nov 30. | Sep 22 |
| Bok Choy | Apr 12 | May 3–May 10 | 197 | two-plantings: Plant May 3 and again by Sep 18; both mature before Nov 16. | Sep 18 |
| Collards | Mar 1 | Apr 12–Apr 26 | 232 | two-plantings: Plant Apr 12 and again by Sep 17; both mature before Nov 30. | Sep 17 |
| Cantaloupe | Apr 26 | May 24–May 31 | 141 | fits: 85 days to maturity, 141 available after May 24. | Jul 5 |
| Chives | Feb 15 | May 17–May 24 | 197 | fits: 90 days to maturity, 197 available after May 17. | — |
| Dill | — | Mar 15–Jun 7 | 246 | two-plantings: Plant Mar 15 and again by Sep 8; both mature before Nov 16. | Sep 8 |
| Oregano | Mar 1 | May 17–May 24 | 197 | fits: 80 days to maturity, 197 available after May 17. | — |
| Rosemary | Feb 15 | May 17–May 24 | 183 | fits: 80 days to maturity, 183 available after May 17. | — |
| Sage | Mar 15 | May 17–May 24 | 197 | fits: 75 days to maturity, 197 available after May 17. | — |
| Thyme | Mar 1 | May 17–May 24 | 197 | fits: 90 days to maturity, 197 available after May 17. | — |
| Calendula | Mar 29 | Apr 26–May 10 | 204 | two-plantings: Plant Apr 26 and again by Sep 13; both mature before Nov 16. | Sep 13 |
| Cosmos | Apr 12 | May 10–May 24 | 169 | two-plantings: Plant May 10 and again by Aug 13; both mature before Oct 26. | Aug 13 |
| Lavender | Feb 15 | May 10–May 24 | 204 | fits: 90 days to maturity, 204 available after May 10. | — |
| Marigolds | Mar 29 | May 10–May 17 | 169 | two-plantings: Plant May 10 and again by Aug 23; both mature before Oct 26. | Aug 23 |
| Melons | Apr 26 | May 24–May 31 | 141 | fits: 85 days to maturity, 141 available after May 24. | Jul 5 |
| Mint | — | May 10–May 24 | 204 | fits: 90 days to maturity, 204 available after May 10. | — |
| Nasturtiums | Apr 12 | May 10–May 17 | 169 | two-plantings: Plant May 10 and again by Aug 18; both mature before Oct 26. | Aug 18 |
| Pole Beans | — | May 17–May 31 | 162 | fits: 65 days to maturity, 162 available after May 17. | Aug 8 |
| Spaghetti Squash | Apr 26 | May 24–May 31 | 148 | fits: 90 days to maturity, 148 available after May 24. | Jul 7 |
| Sunflowers | — | May 10–May 24 | 169 | fits: 70 days to maturity, 169 available after May 10. | Aug 3 |
| Tomatillos | Mar 15 | May 17–May 24 | 148 | fits: 75 days to maturity, 148 available after May 17. | Jul 15 |
| Watermelon | Apr 26 | May 17–May 24 | 148 | fits: 80 days to maturity, 148 available after May 17. | Jul 10 |
| Yellow Squash | Apr 26 | May 24–May 31 | 155 | two-plantings: Plant May 24 and again by Aug 18; both mature before Oct 26. | Aug 18 |
| Zinnias | Apr 12 | May 10–May 24 | 169 | two-plantings: Plant May 10 and again by Aug 13; both mature before Oct 26. | Aug 13 |
Month by month in Hemet
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 15), Lavender (Feb 15), Onion (Feb 15), Rosemary (Feb 15). |
| March | Start indoors: Celery (Mar 1), Collards (Mar 1), Kale (Mar 1), Oregano (Mar 1), Parsley (Mar 1), Scallions (Mar 1), +13 more. Direct sow from: Arugula (Mar 15), Beets (Mar 15), Dill (Mar 15), Peas (Mar 15), Radish (Mar 15), Spinach (Mar 15), +1 more. |
| April | Start indoors: Basil (Apr 5), Tomato (Apr 5), Bok Choy (Apr 12), Corn (Apr 12), Cosmos (Apr 12), Nasturtiums (Apr 12), +11 more. Direct sow from: Cilantro (Apr 12), Turnip (Apr 12), Carrots (Apr 19), Potatoes (Apr 26). Transplant from: Broccoli (Apr 12), Brussel Sprouts (Apr 12), Cabbage (Apr 12), Collards (Apr 12), Kale (Apr 12), Lettuce (Apr 12), +4 more. Plant: Strawberry (Apr 5). |
| May | Direct sow from: Sunflowers (May 10), Beans (May 17), Pole Beans (May 17). Transplant from: Bok Choy (May 3), Cauliflower (May 3), Cosmos (May 10), Lavender (May 10), Marigolds (May 10), Mint (May 10), +25 more. Last frost around May 10. |
| June | Last sowing dates: Butternut Squash (Jun 27), Pumpkin (Jun 27). |
| July | Last sowing dates: Cantaloupe (Jul 5), Celery (Jul 5), Melons (Jul 5), Spaghetti Squash (Jul 7), Tomato (Jul 10), Watermelon (Jul 10), +4 more. |
| August | Last sowing dates: Sunflowers (Aug 3), Brussel Sprouts (Aug 8), Pole Beans (Aug 8), Basil (Aug 13), Cosmos (Aug 13), Cucumber (Aug 13), +11 more. |
| September | Last sowing dates: Cabbage (Sep 7), Carrots (Sep 7), Beets (Sep 8), Dill (Sep 8), Swiss Chard (Sep 8), Calendula (Sep 13), +8 more. |
| October | Last sowing dates: Arugula (Oct 7), Spinach (Oct 7), Radish (Oct 8). |
| November | Direct sow from: Garlic (Nov 9). First frost around November 9. Last sowing dates: Garlic (Nov 30). |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
Frequently Asked Questions
What is the last frost date for Hemet, CA (ZIP 92544)?
The median last spring frost date for Hemet, CA (ZIP code 92544) is around May 10. 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. One year in ten frost ends before April 14; one in ten it runs past June 6.
What is the first fall frost date in Hemet, CA?
The median first fall frost date for Hemet, CA is around November 9. 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 October 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Hemet, CA?
The frost-free growing season in Hemet is about 183 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 Hemet (183 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Hemet, CA?
Hemet, CA is in USDA hardiness zone 9b (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 Hemet, CA?
Start tomatoes indoors Apr 5 and plant out May 24 in Hemet. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Hemet?
Two: plant Apr 12 and again by Sep 18; both mature before Nov 16.
When do I plant garlic in Hemet?
Nov 9 to Nov 30; it overwinters and is ready the following summer.
Can I get two tomato crops in Hemet?
Yes: plant out May 24 for a summer crop, and set out a second round of transplants by Jul 10 for a fall crop.
Which nearby ZIP has a longer season?
San Jacinto (ZIP 92583) has 255 frost-free days, 72 more than Hemet (ZIP 92544). See San Jacinto ZIP 92583 frost dates
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