When to Plant Sweet Potato in Unknown

State

Unknown

Cities Covered

USDA Zones

5a, 7a, 7b, 8b, 9a, 9b

Plant Type

Direct Sow

📅 Planting Calendar for Unknown

Based on ZIP 32143 (Zone 9b). Dates may vary by city.

Direct Sow Outdoors Wednesday, December 30, 2026

Note: Unknown spans multiple zones (5a, 7a, 7b, 8b, 9a, 9b). Select your city below for more precise dates.

🌿 Plant Details

Scientific Name Ipomoea batatas

Days to Maturity 100 days

Sun Requirements Full Sun

Find Your City in Unknown

ZIP 32143 (Zone 9b) ZIP 40122 (Zone 7a) ZIP 50099 (Zone 5a) ZIP 75033 (Zone 8b) ZIP 75059 (Zone 8b) ZIP 84129 (Zone 7b) ZIP 85117 (Zone 9b) ZIP 85127 (Zone 9b) ZIP 85178 (Zone 9b) ZIP 85190 (Zone 9b) ZIP 85191 (Zone 9a) ZIP 85288 (Zone 9b) ZIP 93737 (Zone 9b)

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Growing Sweet Potato in Unknown

Sweet Potato (Ipomoea batatas) is a popular garden vegetable in Unknown. The state spans USDA Hardiness Zones 5a, 7a, 7b, 8b, 9a, 9b, so planting dates can vary significantly depending on your location.

In most areas of Unknown, you can direct sow Sweet Potato outdoors around Wednesday, December 30, 2026.

For the most accurate planting dates, enter your ZIP code on our homepage or select your city from the list above.