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Fishtail Palm Brown Powder: Fungal Spore Management

New fishtail palm—assured disease-free, needs TLC. Underside of all leaves and stalks have brown/dust-like powder, comes off easily. Normal for this type? What is it?

Expert Advice

Often seen on mature fishtails without effect. Wash fronds well, spray copper fungicide every couple months to control. Fungal, easily managed. Follow label.

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