When to Plant Heirloom Tomato in Connecticut
State
Connecticut
Cities Covered
267
USDA Zones
6a, 6b, 7a, 7b
Plant Type
Indoor Start
📅 Planting Calendar for Connecticut
Based on Avon (Zone 6b). Dates may vary by city.
Note: Connecticut spans multiple zones (6a, 6b, 7a, 7b). Select your city below for more precise dates.
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Growing Heirloom Tomato in Connecticut
Heirloom Tomato (Solanum lycopersicum) is a popular garden vegetable in Connecticut. The state spans USDA Hardiness Zones 6a, 6b, 7a, 7b, so planting dates can vary significantly depending on your location.
For most of Connecticut, you should start Heirloom Tomato seeds indoors around Wednesday, March 4, 2026, then transplant outdoors around Wednesday, April 29, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.