Fungal Black Spots on Succulents: What Waiting Costs You
Fungal black spot is an active infection. Learn how to confirm it's spreading, fix airflow and watering, and use sulfur or copper safely at label rates.
Disease Problems
Disease-specific protocols for fungal and bacterial problems affecting roots, stems, crowns, and leaves.
Sticky Black Spots on Succulents Are Not the Real Problem
Sticky black spots on succulents are honeydew and sooty mold, not the real problem. Find the scale, mealybugs, or aphids first, then clean the leaf.
Yellow Leaves? Check the Roots Before You Cut the Stem
Yellow leaves on a soft succulent? Unpot first. Learn what healthy vs rotted roots look like, how far to cut, and when the cut face is ready for mix.
Your succulent can survive powdery mildew if you act fast
A white flour-like patch on a succulent is powdery mildew. Confirm it in two seconds, treat it the same day, and keep it off the rest of your collection.
Why Are Your Succulent's Leaves Sticky and Turning Black?
Sticky leaves that turn black are honeydew plus sooty mold sitting on the surface, not rot. Wash it off, then find the insect still feeding above it.
Fungus Gnats Don't Cause Root Rot, But Here's What Does
Fungus gnats don't rot succulent roots. They signal the wet soil that does. How to tell larval damage from fungal rot and treat both problems in one move.
Root Rot Emergency Repot Before You Lose the Plant
Dark soft roots, sour soil, or a mushy stem base mean root rot. Remove all old soil, cut rotted tissue, dry bare-root, and repot in fresh dry mix. No water yet.