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When to Plant Pumpkin in Zone 12B

USDA Zone

12B

Cities Covered

53

Avg Last Frost

Friday, January 1, 2027

Plant Type

Direct Sow

📅 Planting Calendar for Zone 12B

Direct Sow Outdoors Friday, November 20, 2026

Pro Tip: Pumpkin can be directly sown outdoors. Plant 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Cucurbita maxima
Days to Maturity 100 days
Sun Requirements Full Sun (6-8 hours)
Plant Spacing 60" apart

🤝 Companion Plants for Pumpkin

Good Companions

CornBeanMarigoldNasturtium

Avoid Planting Near

Potato
See the full companion planting guide for Pumpkin →

Cities in Zone 12B

Other Plants for Zone 12B

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Growing Pumpkin in USDA Zone 12B

Pumpkin (Cucurbita maxima) grows well in USDA Hardiness Zone 12B. This zone includes cities like Captain Cook, Eleele, Ewa Beach and 50 more.

The average last frost date for Zone 12B is around Friday, January 1, 2027. Pumpkin can be directly sown outdoors around Friday, November 20, 2026.

Expect to harvest your Pumpkin approximately 100 days after planting.