32.7157°N/117.1647°W
When to plant in San Diego
California, United States · Cold semi-arid (Köppen BSk)
Last spring frost · safe
—
safe planting date
First fall frost · safe
—
safe harvest-by date
Frost-free days
365
Climate zone
Cold semi-arid
Köppen BSk
84/100 confidence
◇ Station-based
The frost date shown is the safe date (~10% frost risk); the typical median is shown alongside. Your microclimate can shift things ±1–2 weeks.
Full crop calendar
Same climate — Cold semi-arid
Source: Curated · based on NOAA GHCN-Daily 1991–2020 normal · Köppen–Geiger classification (Beck et al. 2023) · crop windows from FAO ECOCROP references. How we calculate this →
Also see frost dates for San Diego.