Overwintering guide
How to overwinter ipomoea tricolor 'heavenly blue'
Winter watering
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
The mistake that kills ipomoea tricolor 'heavenly blue' in winter
Cutting ipomoea tricolor 'heavenly 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 ipomoea tricolor 'heavenly blue' care
- Overwintering heavenly blue morning glory — the species this cultivar belongs to
- Full ipomoea tricolor 'heavenly blue' care guide
- Ipomoea tricolor 'Heavenly Blue' temperature range
- How often to water ipomoea tricolor 'heavenly blue'
- How to prune ipomoea tricolor 'heavenly blue'
- Common ipomoea tricolor 'heavenly blue' problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering ipomoea tricolor 'heavenly blue' — FAQ
Does ipomoea tricolor 'heavenly blue' need to come indoors for winter?
Ipomoea tricolor 'Heavenly Blue' is hardy to roughly USDA zone 2 — winter lows around -46°C. That means it can stay outside all winter in most temperate gardens. Ipomoea tricolor 'Heavenly 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 ipomoea tricolor 'heavenly blue' for winter?
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
How often should I water ipomoea tricolor 'heavenly blue' in winter?
No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.
What kills ipomoea tricolor 'heavenly blue' over winter?
Cutting ipomoea tricolor 'heavenly 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.