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Columbia, MD planting calendar

When to plant vegetables in Columbia, MD (USDA hardiness zone 7b). Typical last spring frost around Apr 5, 2026 (±11 days year to year), first fall frost around Nov 9, 2026 (±11 days).

Playing it safe? Spring frost holds off until about Apr 19, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Month by month in Columbia, MD

January

February

March

April

May

September

December

Understand your frost dates

More Maryland planting calendars

ZIP codes in Columbia

21044, 21045, 21046

Where these dates come from

Frost dates for Columbia, MDare NOAA 1991–2020 climate normals from a station representative of the area, which covers 3 ZIP codes. Individual ZIP codes within it can run earlier or later.

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