Quick Facts
🌡️ Season
Warm-Season
☀️ Sun Needs
Full Sun (6+ hrs)
💧 Water
Low
📐 Spacing
12 inches apart
🕳️ Planting Depth
4 inches deep
📅 Days to Harvest
90–120 days
🧪 Soil pH
5.8–6.5
🌡️ Min Soil Temp
65°F
🏠 Start Indoors
8 weeks before last frost
🌱 Direct Sow
No — transplant only
🔥 Heat Tolerance
High
❄️ Cold Tolerance
None
When to Plant Sweet Potato by Zone
Planting dates vary by USDA hardiness zone. Find your zone at the Smart Planner.
| Zone | Start Indoors | Direct Sow | Transplant | Harvest |
|---|---|---|---|---|
| Zones 3–4 (Cold) | — | — | — | — |
| Zones 5–6 (Cool) | Mar, Apr | — | May, Jun | Sep, Oct |
| Zones 7–8 (Moderate) | Feb, Mar | — | Apr, May | Aug, Sep, Oct |
| Zones 9–10 (Warm) | Jan, Feb | — | Mar, Apr | Jul, Aug, Sep |
| Zones 11–13 (Tropical) | Dec, Jan | — | Feb, Mar | Jun, Jul, Aug |
Recommended Varieties
Beauregard
Most popular, reliable orange flesh🔥 Heat Tolerant
Georgia Jet
Short season, good for northern growers🔥 Heat Tolerant
🌿 Companion Planting
Plant With
🌱 beans🌿 thyme🌿 oregano
Keep Away From
✗ squash
🗺️ Growing Zones
12345678910111213
Highlighted zones are suitable for growing sweet potato.
🛒 Shop Sweet Potato Seeds
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