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When to Plant Cantaloupe in Zone 12A

USDA Zone

12A

Cities Covered

25

Avg Last Frost

Friday, January 1, 2027

Plant Type

Indoor Start

📅 Planting Calendar for Zone 12A

Start Seeds Indoors Friday, December 4, 2026
Transplant Outdoors Friday, January 15, 2027

Pro Tip: Start Cantaloupe seeds indoors 4 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Cucumis melo var. cantalupensis
Days to Maturity 80 days
Sun Requirements Full Sun (8+ hours)
Plant Spacing 48" apart

🤝 Companion Plants for Cantaloupe

Good Companions

CornSunflowerMarigold

Avoid Planting Near

CucumberPotato
See the full companion planting guide for Cantaloupe →

Cities in Zone 12A

Other Plants for Zone 12A

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Growing Cantaloupe in USDA Zone 12A

Cantaloupe (Cucumis melo var. cantalupensis) grows well in USDA Hardiness Zone 12A. This zone includes cities like Aiea, Anahola, Haiku and 22 more.

The average last frost date for Zone 12A is around Friday, January 1, 2027. For best results, start your Cantaloupe seeds indoors around Friday, December 4, 2026, then transplant outdoors around Friday, January 15, 2027.

Expect to harvest your Cantaloupe approximately 80 days after planting.