Overwintering guide
How to overwinter golden hakone grass
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills golden hakone grass in winter
Cutting golden hakone 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 golden hakone grass care
- Overwintering japanese forest grass — the species this cultivar belongs to
- Full golden hakone grass care guide
- Golden Hakone Grass temperature range
- How often to water golden hakone grass
- How to prune golden hakone grass
- Common golden hakone grass problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering golden hakone grass — FAQ
Does golden hakone grass need to come indoors for winter?
Golden Hakone Grass is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Golden Hakone 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 golden hakone grass for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water golden hakone grass in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills golden hakone grass over winter?
Cutting golden hakone 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.