Overwintering guide
How to overwinter mustard spinach 'savanna'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills mustard spinach 'savanna' in winter
Cutting mustard spinach 'savanna' 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 spinach 'savanna' care
- Overwintering turnip — the species this cultivar belongs to
- Full mustard spinach 'savanna' care guide
- Mustard Spinach 'Savanna' temperature range
- How often to water mustard spinach 'savanna'
- How to prune mustard spinach 'savanna'
- Common mustard spinach 'savanna' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering mustard spinach 'savanna' — FAQ
Does mustard spinach 'savanna' need to come indoors for winter?
Mustard Spinach 'Savanna' 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 Spinach 'Savanna' 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 spinach 'savanna' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water mustard spinach 'savanna' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills mustard spinach 'savanna' over winter?
Cutting mustard spinach 'savanna' 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.