When to Plant Cantaloupe 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 Cantaloupe seeds indoors 4 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

🌿 Plant Details

Scientific Name Cucumis melo var. cantalupensis

Days to Maturity 80 days

Mature Height 12-18"

Spread 48"

Type Vine

Fruit Size Medium-Large (3-8 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (8+ hours)

💧

Water

Regular, reduce near harvest

↔️

Spacing

48" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Cantaloupe in Lothair?

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

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🤝 Good Companions

CornSunflowerMarigold

⚠️ Avoid Planting Near

CucumberPotato

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Growing Cantaloupe in Zone 4a

Cantaloupe (Cucumis melo var. cantalupensis) 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 Cantaloupe seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.