Overwintering guide
How to overwinter candle larkspur 'guardian blue'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills candle larkspur 'guardian blue' in winter
Cutting candle larkspur 'guardian blue' 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 candle larkspur 'guardian blue' care
- Overwintering candle larkspur — the species this cultivar belongs to
- Full candle larkspur 'guardian blue' care guide
- Candle Larkspur 'Guardian Blue' temperature range
- How often to water candle larkspur 'guardian blue'
- How to prune candle larkspur 'guardian blue'
- Common candle larkspur 'guardian blue' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering candle larkspur 'guardian blue' — FAQ
Does candle larkspur 'guardian blue' need to come indoors for winter?
Candle Larkspur 'Guardian Blue' is hardy to roughly USDA zone 3 — winter lows around -40°C. That means it can stay outside all winter in most temperate gardens. Candle Larkspur 'Guardian Blue' 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 candle larkspur 'guardian blue' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water candle larkspur 'guardian blue' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills candle larkspur 'guardian blue' over winter?
Cutting candle larkspur 'guardian blue' 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.