Piedmont, CA 94612 Frost Dates
When can you plant in Piedmont, CA?
The NOAA station nearest to 94612 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 10a (30 to 35°F average annual minimum).
How Piedmont compares
Piedmont's growing season runs about 365 days, ranking 1,723 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 844 of 2,555.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 94612's numbers. zone vs. frost date covers why Zone 10a and Piedmont's frost date answer different questions.