Indoor Plant Rust & Powdery Mildew: Unusual, Need Environment Details

Rust fungus on 30 indoor plants is rare. Sulfur/organic sprays failing. Need context:

• Garden soil used? (Pathogen source)
• Plants outdoors in summer?
• Number of plants with rust vs. mildew.
• Names of affected species.
• Home humidity/mold issues?

Likely Factors

1. Contaminated soil.
2. Outdoor-to-indoor pathogen transfer.
3. Excessive humidity + poor airflow.

Email details/photos to wcreed@HorticulturalHelp.com for targeted plan.