When to plant in Corcoran, CA
USDA Zone 9aCorcoran, California frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
A generous ~285-day season lets Corcoran gardeners direct-sow more and still ripen long-maturity crops like melons and winter squash. Zone 9a is warm enough that Corcoran can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in Corcoran is now 5 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
CORCORAN IRRIG DIST · 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 Corcoran’s own odds, recorded at CORCORAN IRRIG DIST.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 13 | Mar 20 | Feb 19 | Oct 29 | Nov 12 | Nov 27 |
| 32°F | Mar 10 | Feb 15 | Jan 17 | Nov 12 | Nov 27 | Dec 13 |
| 28°F | Feb 11 | Jan 16 | Dec 18 | Nov 24 | Dec 8 | Jan 5 |
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 Corcoran, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 27 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.
Corcoran planting FAQ
When is the last spring frost in Corcoran, CA?
Plan for the last spring frost in Corcoran around February 15 (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 Corcoran, CA?
Expect Corcoran's first fall frost near November 27 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Corcoran in?
Corcoran is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Corcoran?
There are roughly 285 frost-free days in Corcoran (a long growing season), running from the average last frost around February 15 to the first fall frost near November 27.
When should I plant tomatoes in Corcoran?
In Corcoran, start tomato seeds indoors around December 21–January 4, then transplant seedlings outdoors around February 22 once the danger of frost has passed.
Never miss a window in Corcoran
An email when it’s time to start seeds, transplant, and sow — timed to Corcoran’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at CORCORAN IRRIG DIST, 2 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 Corcoran, CA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00042012. Retrieved from https://blissgarden.com/california/corcoran.