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