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