Tustin, CA 92705 Frost Dates
When can you plant in Tustin, CA?
The NOAA station nearest to 92705 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 Tustin compares
About 365 days separate Tustin's last and first frost, putting it 686 of 40,283 ZIP codes nationally. Within CA, it ranks 303 of 2,555.
Learn more
the methodology covers exactly which NOAA and USDA figures feed 92705's numbers. zone vs. frost date covers why Zone 10b and Tustin's frost date answer different questions.