Garden Grove, CA 92840 Frost Dates
Frost dates for Garden Grove, CA, ZIP 92840
The NOAA station nearest to 92840 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 Garden Grove compares
Garden Grove's growing season runs about 365 days, ranking 381 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 135 of 2,555.
Learn more
local microclimates explains what one yard in Garden Grove can differ from the 92840 normal, and the methodology explains exactly which NOAA and USDA figures feed 92840's numbers.