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