Overwintering guide
How to overwinter japanese sweet potato
Winter watering
If you do keep it going indoors, water sparingly — just enough that the compost never dries out completely — and do not feed until growth restarts in spring.
The mistake that kills japanese sweet potato in winter
Leaving japanese sweet potato outside over winter expecting it back in spring. As an annual it will not return — seed or cuttings are the only way to carry it forward.
More japanese sweet potato care
- Overwintering sweet potato — the species this cultivar belongs to
- Full japanese sweet potato care guide
- Japanese Sweet Potato temperature range
- How often to water japanese sweet potato
- How to prune japanese sweet potato
- Common japanese sweet potato problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering japanese sweet potato — FAQ
Does japanese sweet potato need to come indoors for winter?
Japanese Sweet Potato is grown as an annual — it is frost-tender and naturally finishes at the end of the season, whatever your zone. In most climates japanese sweet potato is grown as an annual, so there is usually nothing to overwinter — the plant completes its life cycle and dies back with the first frosts. If you want to carry it over, lift it before the first frost and grow it on in the brightest window you have, or take cuttings; otherwise collect seed and start fresh in spring, which is what most growers do.
When should I move japanese sweet potato for winter?
Lift or take cuttings before the first frost — or let it finish and save seed.
How often should I water japanese sweet potato in winter?
If you do keep it going indoors, water sparingly — just enough that the compost never dries out completely — and do not feed until growth restarts in spring.
What kills japanese sweet potato over winter?
Leaving japanese sweet potato outside over winter expecting it back in spring. As an annual it will not return — seed or cuttings are the only way to carry it forward.