Overwintering guide
How to overwinter spiraea 'anthony waterer'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills spiraea 'anthony waterer' in winter
Cutting spiraea 'anthony waterer' 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 spiraea 'anthony waterer' care
- Overwintering japanese spirea — the species this cultivar belongs to
- Full spiraea 'anthony waterer' care guide
- Spiraea 'Anthony Waterer' temperature range
- How often to water spiraea 'anthony waterer'
- How to prune spiraea 'anthony waterer'
- Common spiraea 'anthony waterer' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering spiraea 'anthony waterer' — FAQ
Does spiraea 'anthony waterer' need to come indoors for winter?
Spiraea 'Anthony Waterer' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Spiraea 'Anthony Waterer' 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 spiraea 'anthony waterer' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water spiraea 'anthony waterer' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills spiraea 'anthony waterer' over winter?
Cutting spiraea 'anthony waterer' 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.