Overwintering guide
How to overwinter japanese bird's nest 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 japanese bird's nest fern in winter
Bringing japanese bird's nest 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 japanese bird's nest fern care
Overwintering japanese bird's nest fern — FAQ
Does japanese bird's nest fern need to come indoors for winter?
Japanese Bird's Nest Fern is hardy to roughly USDA zone 9 — winter lows around -7°C. That means it takes cool conditions but not a real freeze. Japanese Bird's Nest 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 japanese bird's nest fern for winter?
Move under cover before the first hard frost; back outside after the last spring frost.
How often should I water japanese bird's nest fern in winter?
Water only occasionally — enough that the rootball never dries out completely, no more. No feeding until spring growth begins.
What kills japanese bird's nest fern over winter?
Bringing japanese bird's nest 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.