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Planting calendar for ZIP 85635 (Sierra Vista, AZ)

When to plant vegetables in Sierra Vista, AZ (USDA hardiness zone 8b). Typical last spring frost around Apr 5, 2026 (±14 days year to year), first fall frost around Nov 9, 2026 (±12 days).

Playing it safe? Spring frost holds off until about Apr 22, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Sierra Vista, AZ planting calendar for dates typical of the whole city.

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 85635

Month by month in Sierra Vista, AZ

January

February

March

April

May

September

December

Understand your frost dates

Where these dates come from

Frost dates for ZIP 85635 come from NOAA 1991-2020 normals (USC00027880 SIERRA VISTA, AZ US). You can look up that station’s record yourself.

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