Overwintering guide
How to overwinter coreopsis 'limerock ruby'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills coreopsis 'limerock ruby' in winter
Cutting coreopsis 'limerock ruby' 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 coreopsis 'limerock ruby' care
Overwintering coreopsis 'limerock ruby' — FAQ
Does coreopsis 'limerock ruby' need to come indoors for winter?
Coreopsis 'Limerock Ruby' is hardy to roughly USDA zone 5 — winter lows around -29°C. That means it can stay outside all winter in most temperate gardens. Coreopsis 'Limerock Ruby' 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 coreopsis 'limerock ruby' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water coreopsis 'limerock ruby' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills coreopsis 'limerock ruby' over winter?
Cutting coreopsis 'limerock ruby' 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.