Monstera Brown Spots on Leaf Underside: Fungal or Not?
Brown patches on the underside of one Monstera leaf? Learn how to tell fungal infection from pests, edema, or damage—and get the right fix fast.
Plant Problems & Troubleshooting
Your guide to thriving houseplants
2 articles
Brown patches on the underside of one Monstera leaf? Learn how to tell fungal infection from pests, edema, or damage—and get the right fix fast.
Discover what causes brown spots on houseplant leaves and how to fix them. Diagnose overwatering, sunburn, pests, fungal disease, and more with expert tips.