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