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