Overwintering guide
How to overwinter new zealand tree fern
Winter watering
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
The mistake that kills new zealand tree fern in winter
Bringing new zealand tree fern into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.
More new zealand tree fern care
- Overwintering black tree fern — the species this cultivar belongs to
- Full new zealand tree fern care guide
- New Zealand Tree Fern temperature range
- How often to water new zealand tree fern
- How to prune new zealand tree fern
- Common new zealand tree fern problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering new zealand tree fern — FAQ
Does new zealand tree fern need to come indoors for winter?
New Zealand Tree Fern is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. New Zealand Tree Fern will take cool conditions but not a hard freeze, so the aim is a frost-free winter rather than a warm one. An unheated greenhouse, porch, conservatory or bright garage all work well. Keep it cool, bright and on the dry side, and it will hold steady until growth restarts in spring.
When should I move new zealand tree fern for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water new zealand tree fern in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills new zealand tree fern over winter?
Bringing new zealand tree fern into a warm living room. Too much winter warmth forces weak, pale growth that collapses when it goes back outside — cool and bright beats warm and dim.