88% confidence Based on 20,000+ analyzed cases

Fungal Rust on bromeliad

bromeliad with fungal rust

What's Happening

Fungal infection (Rust) characterized by brown necrotic spots surrounded by distinct yellow (chlorotic) halos. Triggered by high humidity and stagnant air.

How to Fix It

  1. 1

    Prune and discard infected leaves using sterilized tools.

  2. 2

    Treat remaining foliage with a copper-based fungicide every 14 days.

  3. 3

    Improve air circulation with a fan.

  4. 4

    Avoid getting water on the leaves during watering.

How to Prevent It

Maintain humidity between 50-70% with active ventilation. Water the central cup or soil directly.

Related Problems

View all bromeliad diagnoses →

Frequently Asked Questions

What causes fungal rust on my plant?
Fungal infection (Rust) characterized by brown necrotic spots surrounded by distinct yellow (chlorotic) halos. Triggered by high humidity and stagnant air.
How do I fix fungal rust?
Prune and discard infected leaves using sterilized tools.. Treat remaining foliage with a copper-based fungicide every 14 days..
How do I prevent fungal rust from happening again?
Maintain humidity between 50-70% with active ventilation. Water the central cup or soil directly.