When to Plant Spaghetti Squash in Minnesota
State
Minnesota
Cities Covered
805
USDA Zones
3a, 3b, 4a, 4b, 5a
Plant Type
Indoor Start
📅 Planting Calendar for Minnesota
Based on Minneapolis (Zone 5a). Dates may vary by city.
Note: Minnesota spans multiple zones (3a, 3b, 4a, 4b, 5a). Select your city below for more precise dates.
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Growing Spaghetti Squash in Minnesota
Spaghetti Squash (Cucurbita pepo) is a popular garden vegetable in Minnesota. The state spans USDA Hardiness Zones 3a, 3b, 4a, 4b, 5a, so planting dates can vary significantly depending on your location.
For most of Minnesota, you should start Spaghetti Squash seeds indoors around Sunday, April 12, 2026, then transplant outdoors around Sunday, May 24, 2026.
For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.