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