Growli

Overwintering guide

How to overwinter pontederia cordata 'pink pons'

Verdict
Stays outside
When
Tidy and mulch in late autumn; leave the plant undisturbed until spring.
Hardiness
Pontederia cordata 'Pink Pons' is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens.

Winter watering

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

The mistake that kills pontederia cordata 'pink pons' in winter

Cutting pontederia cordata 'pink pons' 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 pontederia cordata 'pink pons' care

Overwintering pontederia cordata 'pink pons' — FAQ

Does pontederia cordata 'pink pons' need to come indoors for winter?

Pontederia cordata 'Pink Pons' is hardy to roughly USDA zone 4 — winter lows around -34°C. That means it can stay outside all winter in most temperate gardens. Pontederia cordata 'Pink Pons' 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 pontederia cordata 'pink pons' for winter?

Tidy and mulch in late autumn; leave the plant undisturbed until spring.

How often should I water pontederia cordata 'pink pons' in winter?

No winter watering needed in open ground. Containers only need water in long dry, frost-free spells.

What kills pontederia cordata 'pink pons' over winter?

Cutting pontederia cordata 'pink pons' 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.