When to Plant Grape Tomato in New Hampshire
State
New Hampshire
Cities Covered
125
USDA Zones
4a, 4b, 5a, 5b, 6a, 6b
Plant Type
Indoor Start
📅 Planting Calendar for New Hampshire
Based on Littleton (Zone 4b). Dates may vary by city.
Note: New Hampshire spans multiple zones (4a, 4b, 5a, 5b, 6a, 6b). Select your city below for more precise dates.
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Growing Grape Tomato in New Hampshire
Grape Tomato (Solanum lycopersicum) is a popular garden vegetable in New Hampshire. The state spans USDA Hardiness Zones 4a, 4b, 5a, 5b, 6a, 6b, so planting dates can vary significantly depending on your location.
For most of New Hampshire, you should start Grape Tomato seeds indoors around Tuesday, March 24, 2026, then transplant outdoors around Tuesday, May 19, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.