Skip to main content

Discovery Bay, CA planting calendar

When to plant vegetables in Discovery Bay, CA (USDA hardiness zone 9b). Typical last spring frost around Jan 19, 2026 21 days year to year), first fall frost around Dec 10, 202616 days).

Playing it safe? Spring frost holds off until about Feb 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable Discovery Bay calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Discovery Bay, CA’s first frost (~Dec 10, 2026) — fastest first.

Month by month in Discovery Bay, CA

January

February

September

October

November

December

Understand your frost dates

More California planting calendars

ZIP codes in Discovery Bay

94505

Frost dates are NOAA 1991–2020 climate normals for a representative location in Discovery Bay, CA (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.