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Planting calendar for ZIP 92312

When to plant vegetables in ZIP 92312 (USDA hardiness zone 9a). Typical last spring frost around May 5, 2026 (±20 days year to year), first fall frost around Nov 2, 2026 (±13 days).

Playing it safe? Spring frost holds off until about May 30, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 92312

Month by month in ZIP 92312

February

March

April

May

June

September

Understand your frost dates

Where these dates come from

Frost dates for ZIP 92312 come from NOAA 1991-2020 normals (USC00044671 LAKE ARROWHEAD, CA US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.