Troubleshooting
Canna 'Phasion' problems — and how to fix them
Canna 'Phasion' (Canna 'Phasion') 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.
Canna leaf roller
The most common pest — caterpillars roll leaves and feed inside. Inspect the growing tip regularly and apply Bt at the first sign of damage.
Spider mites
Dull, stippled foliage with fine webbing indicates mites. Increase humidity and treat with insecticidal soap or neem oil.
Rust
Orange pustules on leaf undersides in wet, warm weather. Remove infected leaves; avoid wetting foliage when watering.
Wind damage
Tall stems and large leaves are prone to tearing and snapping in exposed sites. Stake plants or shelter behind a wall or taller planting.
Virus
Mosaic virus causes pale green and yellow streaking in leaves. Aphid control reduces transmission; remove infected plants.
Prevent canna 'phasion' problems before they start
Most canna 'phasion' issues are care-mismatch, not bad luck. Dial in the basics:
Canna 'Phasion' problems — FAQ
Why is my canna 'phasion' canna leaf roller?
The most common pest — caterpillars roll leaves and feed inside. Inspect the growing tip regularly and apply Bt at the first sign of damage.
Why is my canna 'phasion' spider mites?
Dull, stippled foliage with fine webbing indicates mites. Increase humidity and treat with insecticidal soap or neem oil.
Why is my canna 'phasion' rust?
Orange pustules on leaf undersides in wet, warm weather. Remove infected leaves; avoid wetting foliage when watering.
Why is my canna 'phasion' wind damage?
Tall stems and large leaves are prone to tearing and snapping in exposed sites. Stake plants or shelter behind a wall or taller planting.
Why is my canna 'phasion' virus?
Mosaic virus causes pale green and yellow streaking in leaves. Aphid control reduces transmission; remove infected plants.