When to Plant Roma Tomato in Missouri
State
Missouri
Cities Covered
932
USDA Zones
5b, 6a, 6b, 7a, 7b, 8a
Plant Type
Indoor Start
📅 Planting Calendar for Missouri
Based on Saint Louis (Zone 7a). Dates may vary by city.
Note: Missouri spans multiple zones (5b, 6a, 6b, 7a, 7b, 8a). Select your city below for more precise dates.
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Growing Roma Tomato in Missouri
Roma Tomato (Solanum lycopersicum) is a popular garden vegetable in Missouri. The state spans USDA Hardiness Zones 5b, 6a, 6b, 7a, 7b, 8a, so planting dates can vary significantly depending on your location.
For most of Missouri, you should start Roma Tomato seeds indoors around Friday, February 27, 2026, then transplant outdoors around Friday, April 24, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.