Overwintering guide
How to overwinter choy sum 'green lance'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills choy sum 'green lance' in winter
Cutting choy sum 'green lance' 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 choy sum 'green lance' care
- Overwintering turnip — the species this cultivar belongs to
- Full choy sum 'green lance' care guide
- Choy Sum 'Green Lance' temperature range
- How often to water choy sum 'green lance'
- How to prune choy sum 'green lance'
- Common choy sum 'green lance' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering choy sum 'green lance' — FAQ
Does choy sum 'green lance' need to come indoors for winter?
Choy Sum 'Green Lance' is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Choy Sum 'Green Lance' 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 choy sum 'green lance' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water choy sum 'green lance' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills choy sum 'green lance' over winter?
Cutting choy sum 'green lance' 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.