Is that white fuzz on your succulent powdery mildew or not?
Tell powdery mildew from mealybug wax, hard-water crust, and edema blisters using texture, location, and how each one behaves when you wipe or poke it.
Symptom & Differential Diagnosis
Symptom-first diagnostic guides organized by leaf, stem, root zone, and crown distress signs, including look-alike symptom comparisons.
Is a Squishy Stem Base on My Succulent Actually Rot?
Press the stem at the soil line, read the dent, and let the cut face tell you how far rot has traveled. A thumb test, a knife, and three verdicts.
Your Succulent Turns Yellow and Soft, So Act in This Order
Squeeze the leaf where it meets the stem, then the stem at the soil line. Here's what that ten-second test means and how fast you need to act on it.
Succulent Black Spots: What Cause Fits Your Plant?
Black spots on succulents can be fungal leaf spot, pest honeydew, sunburn, or rot. A texture-first check tells you which one, and what to do next.
Black Spots on Stems: Cut Rot Before You Lose the Plant
How to tell rot from harmless woody callus on a succulent stem, when to cut into clean tissue, and how to dry the cut end so the plant survives.
Brown, Mushy Leaves After a Freeze Are Not Always Rot
Where freeze damage sits, whether it's wet or dry, how clean the edge is, and whether it spreads: the cues that separate freeze burn from rot on succulents.
Your Succulent's White Fuzz May Not Be Powdery Mildew
Not every white coating on a succulent is powdery mildew. Use texture, location, and insect presence to tell mildew, mealybugs, salts, and mite webbing apart.
Hidden Root Damage Fungus Gnat Larvae Cause in Succulents
Clear, black-headed larvae in the top inch of soil chew root tips, causing yellowing, wilting, and stalled growth. Here is how to find them and read the damage.