Overwintering guide
How to overwinter siberian lady fern
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills siberian lady fern in winter
Cutting siberian lady 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 siberian lady fern care
Overwintering siberian lady fern — FAQ
Does siberian lady fern need to come indoors for winter?
Siberian Lady 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. Siberian Lady 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 siberian lady fern for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water siberian lady fern in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills siberian lady fern over winter?
Cutting siberian lady 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.