When to Plant Spaghetti Squash in Agate, North Dakota (58310)

Location

Agate, North Dakota

ZIP Code

58310

USDA Zone

Last Frost

Wednesday, May 20, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, April 22, 2026

Transplant Outdoors Wednesday, June 3, 2026

Pro Tip: Start Spaghetti Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Wednesday, June 3, 2026.

🌿 Plant Details

Scientific Name Cucurbita pepo

Days to Maturity 90 days

Mature Height 12-18"

Spread 60"

Type Vine

Fruit Size Large (4-8 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

48" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Spaghetti Squash in Agate?

Get your seeds now so they're ready by Wednesday, April 22, 2026.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

Other Plants for Agate

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Growing Spaghetti Squash in Zone 3b

Spaghetti Squash (Cucurbita pepo) is a popular garden vegetable. In Agate, North Dakota, which is in USDA Hardiness Zone 3b, you should start seeds indoors around Wednesday, April 22, 2026.

Your average last frost date is Wednesday, May 20, 2026. Plan to transplant your Spaghetti Squash seedlings outdoors around Wednesday, June 3, 2026, about 2 weeks after your last frost date.