When to plant in El Dorado Hills, CA
USDA Zone 9bEl Dorado Hills, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Heads up: the nearest complete-normals station is about 20 km from El Dorado Hills, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 9b is warm enough that El Dorado Hills can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in El Dorado Hills is now 13 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
PLACERVILLE · 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 El Dorado Hills’s own odds, recorded at PLACERVILLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 14 | Apr 23 | Apr 6 | Oct 17 | Nov 6 | Nov 22 |
| 32°F | Apr 23 | Mar 31 | Feb 24 | Nov 1 | Nov 21 | Dec 7 |
| 28°F | Mar 21 | Feb 15 | Jan 14 | Nov 19 | Dec 5 | Jan 1 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in El Dorado Hills, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 35 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.
El Dorado Hills planting FAQ
When is the last spring frost in El Dorado Hills, CA?
El Dorado Hills's average last spring frost falls near March 31 — 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 El Dorado Hills, CA?
Expect El Dorado Hills's first fall frost near November 21 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is El Dorado Hills in?
El Dorado Hills is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in El Dorado Hills?
There are roughly 235 frost-free days in El Dorado Hills (a long growing season), running from the average last frost around March 31 to the first fall frost near November 21.
When should I plant tomatoes in El Dorado Hills?
In El Dorado Hills, start tomato seeds indoors around February 3–February 17, then transplant seedlings outdoors around April 7 once the danger of frost has passed.
Never miss a window in El Dorado Hills
An email when it’s time to start seeds, transplant, and sow — timed to El Dorado Hills’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Cameron Park · 5 km
- Folsom · 8 km
- Granite Bay · 14 km
- Orangevale · 15 km
- Fair Oaks · 18 km
- Diamond Springs · 18 km
- Rancho Cordova · 20 km
- Citrus Heights · 21 km
Frost dates recorded at PLACERVILLE, 20 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 El Dorado Hills, CA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00046960. Retrieved from https://blissgarden.com/california/el-dorado-hills.