When to Plant Acorn Squash in Lothair, Montana (59461)

Location

Lothair, Montana

ZIP Code

59461

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, April 17, 2026

Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Acorn Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

🌿 Plant Details

Scientific Name Cucurbita pepo

Days to Maturity 85 days

Mature Height 12-18"

Spread 60"

Type Vine

Fruit Size Small-Medium (1-2 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 Acorn Squash in Lothair?

Get your seeds now so they're ready by Friday, April 17, 2026.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

Other Plants for Lothair

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Growing Acorn Squash in Zone 4a

Acorn Squash (Cucurbita pepo) is a popular garden vegetable. In Lothair, Montana, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, April 17, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Acorn Squash seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.