Overwintering guide
How to overwinter spiny orostachys
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills spiny orostachys in winter
Cutting spiny orostachys 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 spiny orostachys care
Overwintering spiny orostachys — FAQ
Does spiny orostachys need to come indoors for winter?
Spiny Orostachys is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Spiny Orostachys 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 spiny orostachys for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water spiny orostachys in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills spiny orostachys over winter?
Cutting spiny orostachys 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.