
Sweet Potato
Roots and tubers · Ipomoea batatas · Bindweed family · Perennial
Grown as an annual from slips; needs a long hot season.
How it grows
| Sun | Full sun |
|---|---|
| Moisture | Dry / hilltop |
| Soil | light (sandy, sandy loam) |
| Spacing | 40 cm |
| Rotation group | Heavy feeders (nightshades, squash, corn) |
| How to plant | sets, tubers, cloves or plants |
| Green manure before it | Buckwheat |
| Protector plant | Summer Savory |
When to sow, by climate zone
| Zone | In the ground | Sow indoors | Sow again for autumn |
|---|---|---|---|
| Zone 6 | early May – late Jun | ||
| Zone 7 | mid-Apr – mid-Jun | ||
| Zone 8 | late Mar – late May | ||
| Zone 9 | early Mar – early May | ||
| Zone 10 | mid-Feb – mid-Apr |
Dates for the average frost dates of each zone; the app works them out for your own town.