Overwintering guide
How to overwinter daylily 'double river wye'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills daylily 'double river wye' in winter
Cutting daylily 'double river wye' 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 'double river wye' care
Overwintering daylily 'double river wye' — FAQ
Does daylily 'double river wye' need to come indoors for winter?
Daylily 'Double River Wye' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Daylily 'Double River Wye' 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 'double river wye' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water daylily 'double river wye' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills daylily 'double river wye' over winter?
Cutting daylily 'double river wye' 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.