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USDA hardiness zone by ZIP

USDA hardiness zone for ZIP 53202 (Milwaukee)

ZIP 53202 is USDA hardiness zone 6a; use the Milwaukee frost station's May 10 last frost and Oct 10 first frost to turn that zone into a planting calendar.

Source: milwaukee-mitchell frost station, USDA zone 6a, last updated 2026-06-28. Verify locally before planting high-value crops because microclimates, current weather, and yard exposure can move the safe date.

ZIP 53202 is in USDA hardiness zone 6a. For vegetables, the zone is useful context, but frost dates decide the actual planting window.

Use the ZIP calendar to turn the zone into crop-specific dates.

Planting calendars in zone 6a

Milwaukee, WI · Zone 6a Tomatoes May 17 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Peppers May 24 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Basil May 20 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Carrots Apr 19 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Lettuce Apr 26 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Cucumbers May 20 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Zucchini May 20 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Cilantro Apr 26 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Bush beans May 17 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Spinach Apr 12 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Radishes Apr 12 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Kale Apr 26 Open answer · last frost May 10 Milwaukee, WI · Zone 6a Watermelon May 24 Open answer · last frost May 10