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