When to Plant Spaghetti Squash in Arcata, California (95521)
Location
Arcata, California
ZIP Code
95521
USDA Zone
9b
Last Frost
Wednesday, February 10, 2027
📅 Planting Calendar
Start Seeds Indoors Wednesday, January 13, 2027
Transplant Outdoors Wednesday, February 24, 2027
Pro Tip: Start Spaghetti Squash seeds indoors 4 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Cucurbita pepo
Days to Maturity 90 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Spaghetti Squash in Zone 9b
Spaghetti Squash (Cucurbita pepo) is a popular garden vegetable. In Arcata, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Wednesday, January 13, 2027.
Your average last frost date is Wednesday, February 10, 2027. Plan to transplant your Spaghetti Squash seedlings outdoors around Wednesday, February 24, 2027, about 2 weeks after your last frost date.