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
4 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.
Bumps, white fuzz, black coating, or strange spikes on your Parlor Palm? Identify every growth — from scale insects to flower spikes — and learn how to fix it.
Discover why your Alocasia Frydek has speckles and light green areas on new leaves — from spider mites to nutrient deficiencies — plus proven fixes.
Discover what bugs are on your lavender, from aphids and spider mites to spittlebugs and thrips — plus how to treat each pest and protect your plant.