Growli

Overwintering guide

How to overwinter white-leaved rock rose

Verdict
Outside, protected
When
Mulch and move pots into shelter in late autumn, before the first hard frosts.
Hardiness
White-Leaved Rock Rose is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter.

Winter watering

Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.

The mistake that kills white-leaved rock rose in winter

Leaving white-leaved rock rose in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.

More white-leaved rock rose care

Overwintering white-leaved rock rose — FAQ

Does white-leaved rock rose need to come indoors for winter?

White-Leaved Rock Rose is hardy to roughly USDA zone 8 — winter lows around -12°C. That means it survives outside in mild areas, but wants shelter in a hard winter. White-Leaved Rock Rose can stay outside over winter in most areas, but appreciates some protection in a cold snap. Mulch generously over the root zone, move containers against a sheltered wall (pots freeze far harder than open ground), and have horticultural fleece ready for the worst nights. The roots are what you are protecting — top growth can be sacrificed and regrown.

When should I move white-leaved rock rose for winter?

Mulch and move pots into shelter in late autumn, before the first hard frosts.

How often should I water white-leaved rock rose in winter?

Water rarely, and only in dry spells — winter wet is a bigger risk than winter cold. Make sure containers drain freely.

What kills white-leaved rock rose over winter?

Leaving white-leaved rock rose in a pot standing in a saucer of water. Waterlogged compost freezes solid around the roots and kills plants that would have survived the cold perfectly well.