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When to Plant Sweet Potato in Rock Point, Arizona (86545)

Location

Rock Point, Arizona

ZIP Code

86545

USDA Zone

7a

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Direct Sow Outdoors Friday, February 27, 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 7a

Sweet Potato (Ipomoea batatas) is a popular garden vegetable. In Rock Point, Arizona, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 27, 2026.

Your average last frost date is Friday, April 10, 2026. Sweet Potato grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.