Overwintering guide
How to overwinter agapanthus 'headbourne hybrids'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills agapanthus 'headbourne hybrids' in winter
Cutting agapanthus 'headbourne hybrids' 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 agapanthus 'headbourne hybrids' care
Overwintering agapanthus 'headbourne hybrids' — FAQ
Does agapanthus 'headbourne hybrids' need to come indoors for winter?
Agapanthus 'Headbourne Hybrids' is hardy to roughly USDA zone 7 — winter lows around -18°C. That means it can stay outside all winter in most temperate gardens. Agapanthus 'Headbourne Hybrids' 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 agapanthus 'headbourne hybrids' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water agapanthus 'headbourne hybrids' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills agapanthus 'headbourne hybrids' over winter?
Cutting agapanthus 'headbourne hybrids' 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.