When to Plant Potato in Unknown

State

Unknown

Cities Covered

USDA Zones

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

Plant Type

Indoor Start

📅 Planting Calendar for Unknown

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

Start Seeds Indoors Wednesday, December 16, 2026

Transplant Outdoors Wednesday, February 24, 2027

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

🌿 Plant Details

Scientific Name Solanum tuberosum

Days to Maturity 90 days

Sun Requirements Full Sun (6+ hours)

Plant Spacing 12" apart

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 Potato in Unknown

Potato (Solanum tuberosum) 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.

For most of Unknown, you should start Potato seeds indoors around Wednesday, December 16, 2026, then transplant outdoors around Wednesday, February 24, 2027.

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