When to Plant Tomatillo in Arizona
State
Arizona
Cities Covered
262
USDA Zones
10a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Plant Type
Indoor Start
📅 Planting Calendar for Arizona
Based on Phoenix (Zone 10a). Dates may vary by city.
Note: Arizona spans multiple zones (10a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b). Select your city below for more precise dates.
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Growing Tomatillo in Arizona
Tomatillo (Physalis philadelphica) is a popular garden vegetable in Arizona. The state spans USDA Hardiness Zones 10a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, so planting dates can vary significantly depending on your location.
For most of Arizona, you should start Tomatillo seeds indoors around Sunday, December 14, 2025, then transplant outdoors around Sunday, February 8, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.