When to plant in East Hemet, CA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in East Hemet, California — is derived from the closest NOAA station with complete climate normals.
East Hemet enjoys a long ~347-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. In zone 9b, frost is a minor factor for East Hemet — most perennials thrive, and annual vegetables can go out early and stay late.
The average last spring frost in East Hemet is now 53 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
HEMET · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are East Hemet’s own odds, recorded at HEMET.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 6 | Feb 21 | Jan 5 | Nov 14 | Dec 9 | Jan 5 |
| 32°F | Feb 25 | Jan 10 | Dec 14 | Nov 27 | Dec 23 | Jan 31 |
| 28°F | Jan 30 | Dec 27 | Dec 3 | Dec 3 | Dec 25 | Jan 16 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in East Hemet, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 22 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
East Hemet planting FAQ
When is the last spring frost in East Hemet, CA?
Plan for the last spring frost in East Hemet around January 10 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in East Hemet, CA?
Expect East Hemet's first fall frost near December 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is East Hemet in?
East Hemet is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in East Hemet?
East Hemet has about 347 frost-free days — a long growing season — between the average last spring frost (January 10) and first fall frost (December 23).
When should I plant tomatoes in East Hemet?
For East Hemet, sow tomatoes indoors about November 15–November 29 and move the seedlings out around January 17, after the last spring frost.
Never miss a window in East Hemet
An email when it’s time to start seeds, transplant, and sow — timed to East Hemet’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Valle Vista · 5 km
- Hemet · 5 km
- San Jacinto · 9 km
- Beaumont · 16 km
- French Valley · 21 km
- Menifee · 23 km
- Banning · 24 km
- Perris · 27 km
Frost dates recorded at HEMET, 4 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in East Hemet, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00043896. Retrieved from https://blissgarden.com/california/east-hemet.