Overwintering guide
How to overwinter karl foerster 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 karl foerster feather reed grass in winter
Cutting karl foerster 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 karl foerster feather reed grass care
- Overwintering karl foerster feather reed grass — our other guide for the same plant
- Full karl foerster feather reed grass care guide
- Karl Foerster Feather Reed Grass temperature range
- How often to water karl foerster feather reed grass
- How to prune karl foerster feather reed grass
- Common karl foerster feather reed grass problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering karl foerster feather reed grass — FAQ
Does karl foerster feather reed grass need to come indoors for winter?
Karl Foerster 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. Karl Foerster 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 karl foerster feather reed grass for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water karl foerster feather reed grass in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills karl foerster feather reed grass over winter?
Cutting karl foerster 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.