When to plant in Indio, CA
USDA Zone 10aEverything below — frost dates, hardiness zone, and what to plant when in Indio, California — is derived from the closest NOAA station with complete climate normals.
Indio's growing season is short at roughly -4 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. Zone 10a is warm enough that Indio can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in Indio is now 10 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
INDIO FIRE STN · 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 Indio’s own odds, recorded at INDIO FIRE STN.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jan 31 | Jan 1 | Dec 10 | Nov 30 | Dec 18 | Jan 7 |
| 32°F | Jan 21 | Dec 31 | Dec 10 | Dec 8 | Dec 27 | Jan 13 |
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 Indio, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Indio planting FAQ
When is the last spring frost in Indio, CA?
Indio's average last spring frost falls near December 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 Indio, CA?
Expect Indio's first fall frost near December 27 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Indio in?
Indio is in USDA hardiness zone 10a. In zone 10a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Indio?
There are roughly -4 frost-free days in Indio (a short growing season), running from the average last frost around December 31 to the first fall frost near December 27.
When should I plant tomatoes in Indio?
In Indio, start tomato seeds indoors around November 5–November 19, then transplant seedlings outdoors around January 7 once the danger of frost has passed.
Never miss a window in Indio
An email when it’s time to start seeds, transplant, and sow — timed to Indio’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Coachella · 10 km
- La Quinta · 11 km
- Palm Desert · 12 km
- Rancho Mirage · 18 km
- Cathedral City · 24 km
- Palm Springs · 29 km
- Desert Hot Springs · 38 km
- Yucca Valley · 47 km
Frost dates recorded at INDIO FIRE STN, 3 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 Indio, CA — Frost Dates & Zone 10a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00044259. Retrieved from https://blissgarden.com/california/indio.