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Planting calendar for ZIP 33037 (Key Largo, FL)

When to plant vegetables in Key Largo, FL (USDA hardiness zone 11a). Typical last spring frost around Jan 20, 2026 19 days year to year), first fall frost around Jan 17, 202620 days).

Playing it safe? Spring frost holds off until about Feb 13, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Key Largo, FL planting calendar for dates typical of the whole city.

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Month by month in Key Largo, FL

January

February

October

November

December

Understand your frost dates

Frost dates for ZIP 33037: NOAA 1991-2020 normals (USC00087760 ROYAL PALM RS, FL US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.