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