GrowZone

USDA hardiness zone by ZIP

USDA hardiness zone for ZIP 85201 (Mesa)

ZIP 85201 is USDA hardiness zone 10a; use the Phoenix frost station's Feb 5 last frost and Dec 15 first frost to turn that zone into a planting calendar.

Source: phoenix-skyharbor frost station, USDA zone 10a, 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 85201 is in USDA hardiness zone 10a. 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 10a

Mesa, AZ · Zone 10a Tomatoes Feb 12 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Peppers Feb 19 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Basil Feb 15 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Carrots Jan 15 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Lettuce Jan 22 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Cucumbers Feb 15 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Zucchini Feb 15 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Cilantro Jan 22 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Bush beans Feb 12 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Spinach Jan 8 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Radishes Jan 8 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Kale Jan 22 Open answer · last frost Feb 5 Mesa, AZ · Zone 10a Watermelon Feb 19 Open answer · last frost Feb 5