When to Plant Cantaloupe in Nunn, Colorado (80648)

Location

Nunn, Colorado

ZIP Code

80648

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, April 12, 2026

Transplant Outdoors Sunday, May 24, 2026

Pro Tip: Start Cantaloupe seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, May 24, 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 Nunn?

Get your seeds now so they're ready by Sunday, April 12, 2026.

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🤝 Good Companions

CornSunflowerMarigold

⚠️ Avoid Planting Near

CucumberPotato

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Growing Cantaloupe in Zone 5a

Cantaloupe (Cucumis melo var. cantalupensis) is a popular garden vegetable. In Nunn, Colorado, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, April 12, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Cantaloupe seedlings outdoors around Sunday, May 24, 2026, about 2 weeks after your last frost date.