Overwintering guide
How to overwinter silvery glade fern
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills silvery glade fern in winter
Cutting silvery glade fern hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.
More silvery glade fern care
Overwintering silvery glade fern — FAQ
Does silvery glade fern need to come indoors for winter?
Silvery Glade Fern is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Silvery Glade Fern is properly hardy and overwinters outside without fuss. Tidy away anything dead or diseased, apply a mulch over the crown to steady soil temperatures, and otherwise leave it alone — many hardy plants actually need a cold period to flower and grow well the following year. Save hard pruning for the right season rather than doing it in autumn.
When should I move silvery glade fern for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water silvery glade fern in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills silvery glade fern over winter?
Cutting silvery glade fern hard back in autumn "to tidy up". That removes the growth that shelters the crown, and on some plants removes next season's flower buds entirely.