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Frost dates by ZIP

Last and first frost dates for ZIP 21201 (Baltimore, MD)

Baltimore (ZIP 21201) has an average last spring frost around Apr 15 and first fall frost around Nov 5, about 204 frost-free days.

Source: baltimore-inner-harbor frost station, USDA zone 7b, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

Baltimore (ZIP 21201) has an average last spring frost around Apr 15 and an average first fall frost around Nov 5, giving about 204 frost-free days.

Apr 15 last frost 204 frost-free days Nov 5 first frost

Crop calendars for ZIP 21201

Baltimore, MD · Zone 7b Tomatoes Apr 22 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Peppers Apr 29 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Basil Apr 25 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Carrots Mar 25 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Lettuce Apr 1 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Cucumbers Apr 25 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Zucchini Apr 25 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Cilantro Apr 1 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Bush beans Apr 22 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Spinach Mar 18 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Radishes Mar 18 Open crop calendar · last frost Apr 15 Baltimore, MD · Zone 7b Kale Apr 1 Open crop calendar · last frost Apr 15