Overwintering guide
How to overwinter colocasia crown of tonga
Winter watering
Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.
The mistake that kills colocasia crown of tonga in winter
Leaving colocasia crown of tonga in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.
More colocasia crown of tonga care
- Overwintering elephant ear — the species this cultivar belongs to
- Full colocasia crown of tonga care guide
- Colocasia Crown of Tonga temperature range
- How often to water colocasia crown of tonga
- How to prune colocasia crown of tonga
- Common colocasia crown of tonga problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering colocasia crown of tonga — FAQ
Does colocasia crown of tonga need to come indoors for winter?
Colocasia Crown of Tonga is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter. Colocasia Crown of Tonga can stay outside over winter in most areas, but appreciates some protection in a cold snap. Mulch generously over the root zone, move containers against a sheltered wall (pots freeze far harder than open ground), and have horticultural fleece ready for the worst nights. The roots are what you are protecting — top growth can be sacrificed and regrown.
When should I move colocasia crown of tonga for winter?
Mulch and move pots into shelter in late autumn, before the first hard frosts.
How often should I water colocasia crown of tonga in winter?
Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.
What kills colocasia crown of tonga over winter?
Leaving colocasia crown of tonga in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.