When to Plant Grape Tomato in Caledonia, Minnesota (55921)
Location
Caledonia, Minnesota
ZIP Code
55921
USDA Zone
5a
Last Frost
Sunday, May 10, 2026
📅 Planting Calendar
Start Seeds Indoors Sunday, March 29, 2026
Transplant Outdoors Sunday, May 24, 2026
Pro Tip: Start Grape Tomato seeds indoors 6 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Solanum lycopersicum
Days to Maturity 65 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Grape Tomato in Zone 5a
Grape Tomato (Solanum lycopersicum) is a popular garden vegetable. In Caledonia, Minnesota, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, March 29, 2026.
Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Grape Tomato seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.