Overwintering guide
How to overwinter matthiola incana 'katz sakura'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills matthiola incana 'katz sakura' in winter
Cutting matthiola incana 'katz sakura' 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 matthiola incana 'katz sakura' care
- Overwintering stock — the species this cultivar belongs to
- Full matthiola incana 'katz sakura' care guide
- Matthiola incana 'Katz Sakura' temperature range
- How often to water matthiola incana 'katz sakura'
- How to prune matthiola incana 'katz sakura'
- Common matthiola incana 'katz sakura' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering matthiola incana 'katz sakura' — FAQ
Does matthiola incana 'katz sakura' need to come indoors for winter?
Matthiola incana 'Katz Sakura' is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Matthiola incana 'Katz Sakura' 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 matthiola incana 'katz sakura' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water matthiola incana 'katz sakura' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills matthiola incana 'katz sakura' over winter?
Cutting matthiola incana 'katz sakura' 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.