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When to Plant Sweet Potato in Douglas, Arizona (85607)

Location

Douglas, Arizona

ZIP Code

85607

USDA Zone

8a

Last Frost

Friday, March 20, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, February 6, 2026

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

🌿 Plant Details

Scientific Name Ipomoea batatas
Days to Maturity 100 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

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Growing Sweet Potato in Zone 8a

Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Douglas, Arizona, which is in USDA Hardiness Zone 8a, you should direct sow seeds around Friday, February 6, 2026.

Your average last frost date is Friday, March 20, 2026. Sweet Potato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.