Overwintering guide
How to overwinter elymaitic rosularia
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills elymaitic rosularia in winter
Cutting elymaitic rosularia 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 elymaitic rosularia care
Overwintering elymaitic rosularia — FAQ
Does elymaitic rosularia need to come indoors for winter?
Elymaitic Rosularia is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Elymaitic Rosularia 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 elymaitic rosularia for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water elymaitic rosularia in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills elymaitic rosularia over winter?
Cutting elymaitic rosularia 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.