Overwintering guide
How to overwinter muir's rhinephyllum
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 muir's rhinephyllum in winter
Leaving muir's rhinephyllum 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 muir's rhinephyllum care
- Overwintering muir's rhinephyllum — our other guide for the same plant
- Full muir's rhinephyllum care guide
- Muir's Rhinephyllum temperature range
- How often to water muir's rhinephyllum
- How to prune muir's rhinephyllum
- Common muir's rhinephyllum problems & fixes
- Best plant identifier apps — tested and ranked
Overwintering muir's rhinephyllum — FAQ
Does muir's rhinephyllum need to come indoors for winter?
Muir's Rhinephyllum 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. Muir's Rhinephyllum 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 muir's rhinephyllum for winter?
Mulch and move pots into shelter in late autumn, before the first hard frosts.
How often should I water muir's rhinephyllum 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 muir's rhinephyllum over winter?
Leaving muir's rhinephyllum 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.