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