Sweet Potato
warm-season crop
At a glance
| Suitable zone groups | All four zone groups as a warm-season annual; perennial only in frost-free areas |
|---|---|
| Planting window | See the guide text below, in general terms relative to your last spring frost |
| Sun | Full sun |
| Soil | Loose, well-draining soil |
| Watering | Moderate, regular watering |
About this plant
Sweet potato suits all four zone groups as a warm-season annual; it is perennial only in frost-free areas. Grow it in full sun and use healthy slips for a straightforward start.
Choose loose, well-draining soil and provide moderate, regular watering. Loose soil gives the storage roots room to develop, while drainage helps prevent them from sitting in wet conditions.
Common beginner failures and fixes
- Slips struggle after planting into cold soil: Wait until local conditions are reliably warm before planting outdoors.
- Storage roots develop poorly in compacted ground: Loosen the planting area before setting out slips and avoid walking on the bed.
- Roots sit in soggy soil: Improve drainage and check moisture before adding more water.
- Roots are cut or bruised during harvest: Loosen soil well away from the plant and lift the roots gently by hand.
Beginner checklist
- Plan annual planting unless your area is frost-free.
- Obtain healthy sweet potato slips.
- Choose full sun and loose, well-draining soil.
- Provide moderate, regular watering.
- Lift storage roots carefully to avoid damage.
Zone groups and planting windows here are general guidance. Confirm your own zone and last frost date locally before planting.