Santa Ana, CA 92704 Frost Dates
When can you plant in Santa Ana, CA?
The NOAA station nearest to 92704 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 10b (35 to 40°F average annual minimum).
How Santa Ana compares
Santa Ana's growing season runs about 365 days, ranking 302 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 95 of 2,555.
Learn more
local microclimates covers what one yard in Santa Ana can differ from the 92704 normal. the methodology covers exactly which NOAA and USDA figures feed 92704's numbers.