Overwintering guide
How to overwinter the governor lupine
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills the governor lupine in winter
Cutting the governor lupine 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 the governor lupine care
Overwintering the governor lupine — FAQ
Does the governor lupine need to come indoors for winter?
The Governor lupine is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. The Governor lupine 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 the governor lupine for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water the governor lupine in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills the governor lupine over winter?
Cutting the governor lupine 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.