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