Chula Vista, CA 91911 Frost Dates
When can you plant in Chula Vista, CA?
The NOAA station nearest to 91911 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 Chula Vista compares
At roughly 365 frost-free days, Chula Vista places 305 of 40,283 ZIP codes in this dataset. Within CA, it ranks 98 of 2,555.
Learn more
zone vs. frost date covers why Zone 10b and Chula Vista's frost date answer different questions. local microclimates covers what one yard in Chula Vista can differ from the 91911 normal.