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