Overwintering guide
How to overwinter liquorice blue korean mint
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills liquorice blue korean mint in winter
Cutting liquorice blue korean mint 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 liquorice blue korean mint care
- Overwintering korean mint — the species this cultivar belongs to
- Full liquorice blue korean mint care guide
- Liquorice Blue Korean Mint temperature range
- How often to water liquorice blue korean mint
- How to prune liquorice blue korean mint
- Common liquorice blue korean mint problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering liquorice blue korean mint — FAQ
Does liquorice blue korean mint need to come indoors for winter?
Liquorice Blue Korean Mint is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Liquorice Blue Korean Mint 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 liquorice blue korean mint for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water liquorice blue korean mint in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills liquorice blue korean mint over winter?
Cutting liquorice blue korean mint 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.