This article is a list of diseases of pocketbook plants (Calceolaria crenatiflora).
| Fungal diseases | |
|---|---|
| Botrytis blight | Botrytis cinerea |
| Myrothecium root and crown rot | Myrothecium roridum |
| Phytophthora root and stem rot | Phytophthora spp. |
| Pythium root rot | Pythium ultimum Pythium mastophorum |
| Sclerotinia blight | Sclerotinia sclerotiorum |
| Verticillium wilt | Verticillium albo-atrum |