Overwintering guide
How to overwinter athyrium niponicum 'ursula's red'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills athyrium niponicum 'ursula's red' in winter
Cutting athyrium niponicum 'ursula's red' 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 athyrium niponicum 'ursula's red' care
- Full athyrium niponicum 'ursula's red' care guide
- Athyrium niponicum 'Ursula's Red' temperature range
- How often to water athyrium niponicum 'ursula's red'
- How to prune athyrium niponicum 'ursula's red'
- Common athyrium niponicum 'ursula's red' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering athyrium niponicum 'ursula's red' — FAQ
Does athyrium niponicum 'ursula's red' need to come indoors for winter?
Athyrium niponicum 'Ursula's Red' is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Athyrium niponicum 'Ursula's Red' 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 athyrium niponicum 'ursula's red' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water athyrium niponicum 'ursula's red' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills athyrium niponicum 'ursula's red' over winter?
Cutting athyrium niponicum 'ursula's red' 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.