Overwintering guide
How to overwinter spinulose 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 spinulose lady fern in winter
Cutting spinulose 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 spinulose lady fern care
Overwintering spinulose lady fern — FAQ
Does spinulose lady fern need to come indoors for winter?
Spinulose Lady Fern is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Spinulose 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 spinulose lady fern for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water spinulose lady fern in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills spinulose lady fern over winter?
Cutting spinulose 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.