Articles

Kalanchoe Diseases

Name: Kalanchoe Diseases
SKU: ART-4105

Informational table showing disease name, symptoms, pathogen/cause, and management of Kalanchoe diseases.

Updated:

November 21, 2023

Kalanchoe

Disease	Symptoms	Pathogen/Cause	Management
Phytophthora Root and Crown Rot	Crowns and roots have dark brown spots at the soil level. This spreads up the stem and then the plant wilts and dies. Roots are killed.	Phytophthora	Plant in pasteurized potting mix. Discard infected plants.
Powdery Mildew	Tan, scabby spots form on leaves. These may become covered with white fungal growth or remain scabby.	Sphaerotheca humili	Apply a fungicide to protect plants.
Virus	Leaves may be mottled, and have yellow spotting, dead flecks, line, or ringspot patterns. Plants may be stunted and not flower.	Top spotting virus	Plant virus-indexed cuttings. Maintain good insect and mite control. Destroy infected plants. Do not take cuttings from infected plants.