When to plant in Rancho Mirage, CA
USDA Zone 10aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Rancho Mirage, California — all computed from Rancho Mirage's nearest NOAA weather station.
With only about 0 frost-free days, Rancho Mirage has a short season — start heat-lovers indoors early, favor quick-maturing varieties, and use row cover to stretch both ends. Zone 10a is warm enough that Rancho Mirage can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Rancho Mirage is now 9 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
PALM SPRINGS RGNL AP · 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 Rancho Mirage’s own odds, recorded at PALM SPRINGS RGNL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 13 | Jan 8 | Dec 15 | Dec 7 | Dec 29 | Jan 29 |
| 32°F | Jan 29 | Jan 9 | Dec 29 | Dec 23 | Jan 9 | Jan 29 |
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 Rancho Mirage, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Rancho Mirage planting FAQ
When is the last spring frost in Rancho Mirage, CA?
On average, the last spring frost in Rancho Mirage is around January 9 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Rancho Mirage, CA?
Expect Rancho Mirage's first fall frost near January 9 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Rancho Mirage in?
Rancho Mirage is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Rancho Mirage?
There are roughly 0 frost-free days in Rancho Mirage (a short growing season), running from the average last frost around January 9 to the first fall frost near January 9.
When should I plant tomatoes in Rancho Mirage?
In Rancho Mirage, start tomato seeds indoors around November 14–November 28, then transplant seedlings outdoors around January 16 once the danger of frost has passed.
Never miss a window in Rancho Mirage
An email when it’s time to start seeds, transplant, and sow — timed to Rancho Mirage’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Palm Desert · 7 km
- Cathedral City · 9 km
- Palm Springs · 11 km
- Indio · 18 km
- La Quinta · 20 km
- Desert Hot Springs · 24 km
- Coachella · 28 km
- Yucca Valley · 40 km
Frost dates recorded at PALM SPRINGS RGNL AP, 10 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 Rancho Mirage, CA — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093138. Retrieved from https://blissgarden.com/california/rancho-mirage.