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