When to Plant Spaghetti Squash in Maine
State
Maine
Cities Covered
458
USDA Zones
3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a
Plant Type
Indoor Start
📅 Planting Calendar for Maine
Based on Berwick (Zone 6a). Dates may vary by city.
Note: Maine spans multiple zones (3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a). Select your city below for more precise dates.
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Growing Spaghetti Squash in Maine
Spaghetti Squash (Cucurbita pepo) is a popular garden vegetable in Maine. The state spans USDA Hardiness Zones 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, so planting dates can vary significantly depending on your location.
For most of Maine, you should start Spaghetti Squash seeds indoors around Monday, March 23, 2026, then transplant outdoors around Monday, May 4, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.