When to plant in Lake Elsinore, CA
USDA Zone 9bLake Elsinore, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Lake Elsinore enjoys a long ~324-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 Lake Elsinore — most perennials thrive, and annual vegetables can go out early and stay late.
Frost probability
ELSINORE · 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 Lake Elsinore’s own odds, recorded at ELSINORE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 2 | Feb 28 | Jan 29 | Nov 15 | Dec 2 | Dec 18 |
| 32°F | Feb 27 | Jan 28 | Dec 24 | Dec 1 | Dec 18 | Jan 24 |
| 28°F | Feb 9 | Jan 1 | Dec 12 | Dec 9 | Dec 27 | Feb 3 |
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 Lake Elsinore, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 31 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.
Lake Elsinore planting FAQ
When is the last spring frost in Lake Elsinore, CA?
Lake Elsinore's average last spring frost falls near January 28 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Lake Elsinore, CA?
Expect Lake Elsinore's first fall frost near December 18 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Lake Elsinore in?
Lake Elsinore is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Lake Elsinore?
Lake Elsinore has about 324 frost-free days — a long growing season — between the average last spring frost (January 28) and first fall frost (December 18).
When should I plant tomatoes in Lake Elsinore?
For Lake Elsinore, sow tomatoes indoors about December 3–December 17 and move the seedlings out around February 4, after the last spring frost.
Never miss a window in Lake Elsinore
An email when it’s time to start seeds, transplant, and sow — timed to Lake Elsinore’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lakeland Village · 5 km
- Canyon Lake · 7 km
- Wildomar · 10 km
- Menifee · 14 km
- Temescal Valley · 15 km
- Perris · 16 km
- Mead Valley · 17 km
- Murrieta · 18 km
Frost dates recorded at ELSINORE, 1 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 Lake Elsinore, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00042805. Retrieved from https://blissgarden.com/california/lake-elsinore.