Overwintering guide
How to overwinter giant south american bamboo
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 giant south american bamboo in winter
Leaving giant south american bamboo 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 giant south american bamboo care
Overwintering giant south american bamboo — FAQ
Does giant south american bamboo need to come indoors for winter?
Giant South American Bamboo 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. Giant South American Bamboo 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 giant south american bamboo for winter?
Mulch and move pots into shelter in late autumn, before the first hard frosts.
How often should I water giant south american bamboo 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 giant south american bamboo over winter?
Leaving giant south american bamboo 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.