Troubleshooting
Canna 'Striped Beauty' problems — and how to fix them
Canna 'Striped Beauty' (Canna 'Striped Beauty') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Leaf variegation loss
Shoots may occasionally revert to plain green. Remove reverted shoots at the base promptly to preserve the variegated appearance.
Canna leaf roller
Caterpillars roll young leaves and feed within. Hand-pick or apply a Bt-based spray.
Rust
Orange, powdery pustules on leaf undersides. Remove affected leaves and avoid overhead irrigation.
Aphids
Attack tender new growth. Treat with insecticidal soap or strong water spray; aphids can transmit viruses.
Rhizome rot in storage
Rhizomes stored in damp conditions develop soft rot. Cure for several days in a dry, frost-free place before packing in barely moist vermiculite.
Prevent canna 'striped beauty' problems before they start
Most canna 'striped beauty' issues are care-mismatch, not bad luck. Dial in the basics:
Canna 'Striped Beauty' problems — FAQ
Why is my canna 'striped beauty' leaf variegation loss?
Shoots may occasionally revert to plain green. Remove reverted shoots at the base promptly to preserve the variegated appearance.
Why is my canna 'striped beauty' canna leaf roller?
Caterpillars roll young leaves and feed within. Hand-pick or apply a Bt-based spray.
Why is my canna 'striped beauty' rust?
Orange, powdery pustules on leaf undersides. Remove affected leaves and avoid overhead irrigation.
Why is my canna 'striped beauty' aphids?
Attack tender new growth. Treat with insecticidal soap or strong water spray; aphids can transmit viruses.
Why is my canna 'striped beauty' rhizome rot in storage?
Rhizomes stored in damp conditions develop soft rot. Cure for several days in a dry, frost-free place before packing in barely moist vermiculite.