Overwintering guide
How to overwinter johnny jump up
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills johnny jump up in winter
Cutting johnny jump up 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 johnny jump up care
Overwintering johnny jump up — FAQ
Does johnny jump up need to come indoors for winter?
Johnny Jump Up is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Johnny Jump Up 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 johnny jump up for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water johnny jump up in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills johnny jump up over winter?
Cutting johnny jump up 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.