Overwintering guide
How to overwinter hawaii blue flossflower
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills hawaii blue flossflower in winter
Cutting hawaii blue flossflower 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 hawaii blue flossflower care
Overwintering hawaii blue flossflower — FAQ
Does hawaii blue flossflower need to come indoors for winter?
Hawaii Blue Flossflower is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Hawaii Blue Flossflower 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 hawaii blue flossflower for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water hawaii blue flossflower in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills hawaii blue flossflower over winter?
Cutting hawaii blue flossflower 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.