Sweet PotatoConvolvulaceae
Sweet Potatoes.
At a glance
The spec sheet.
- Direct sow / out
- Late May (needs warm soil)
- Germ
- Grown from 'slips' (rooted cuttings)
- Days to harvest
- 90–120
- Spacing
- 12" apart, rows 36"
- Depth
- Slips 3–4" deep
- Square-foot
- 1 per square (needs sprawl room)
- Qty target
- 10 slips = ~50 lbs of sweet potatoes.
Plant
Order slips or root your own from a store sweet potato. Plant when soil is 65°F+ — sweet potatoes hate cold.
Care
Vines will sprawl 6+ feet. Water first month; slack off later so tubers concentrate sugars.
Harvest
Before first frost. Dig gently — skins are thin at harvest. Cure at 80°F+ for 10 days to develop flavor and heal skins.
Cured tubers keep 4–6 months at 55–60°F. Also roasted & frozen puree, sweet potato pie filling.