Garden Grove, CA 92843 Frost Dates
Garden Grove, CA: when does the frost end?
The NOAA station nearest to 92843 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).
Garden Grove against the rest of the dataset
About 365 days separate Garden Grove's last and first frost, putting it 382 of 40,283 ZIP codes nationally. Within CA, it ranks 136 of 2,555.
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Before leaning on 92843's figures: local microclimates explains what one yard in Garden Grove can differ from the 92843 normal, while the methodology explains exactly which NOAA and USDA figures feed 92843's numbers.