USDA Zone 10 planting guide
359 frost-free daysUSDA hardiness zone 10 runs through 473 cities in 4 states we cover, with a long growing season of about 359 frost-free days. It spans sub-zones 10a and 10b, which differ by about 5°F in winter lows.Frost isn’t one date across a whole zone, so these are ranges — each city page uses its own nearest NOAA station.
What to plant in Zone 10
120 crops fit the seasonWith about 359 frost-free days, these crops have time to reach maturity. Open a crop for its exact indoor-start, transplant, and direct-sow dates, or check a city below for exact local timing.
Cities in Zone 10
the 48 largest of 473Zone 10 planting FAQ
What can I grow in USDA zone 10?
With about 359 frost-free days, zone 10 has time to mature 102 of the crops we track — including acorn squash, amaranth, anise, arugula, basil. See the full list above, each linked to its planting dates.
What are the frost dates for zone 10?
Across zone 10, the last spring frost falls between January 1 and December 31, and the first fall frost between January 1 and December 31 (50% chance, 32°F). Your city page gives the exact dates for your location.
How long is the growing season in zone 10?
Zone 10 averages about 359 frost-free days, ranging from 0 to 364 days between its coolest and mildest cities.
Hardiness zones from the USDA/PRISM map · frost dates from 1991–2020 NOAA climate normals, aggregated across this zone’s cities. How we compute this.