Overwintering guide
How to overwinter pirri-pirri bur
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills pirri-pirri bur in winter
Cutting pirri-pirri bur 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 pirri-pirri bur care
Overwintering pirri-pirri bur — FAQ
Does pirri-pirri bur need to come indoors for winter?
Pirri-Pirri Bur is hardy to roughly USDA zone 6 — winter lows around -23°C. That means it can stay outside all winter in most temperate gardens. Pirri-Pirri Bur 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 pirri-pirri bur for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water pirri-pirri bur in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills pirri-pirri bur over winter?
Cutting pirri-pirri bur 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.