This article is a list of diseases of impatiens, such as Busy Lizzie (I. walleriana).
| Bacterial diseases | |
|---|---|
| Bacterial fasciation | Rhodococcus fascians |
| Pseudomonas leaf spot | Pseudomonas syringae |
| Fungal diseases | |
|---|---|
| Botrytis blight | Botrytis cinerea |
| Cercospora leaf spot | Cercospora apii |
| Fusarium root and crown rot | Fusarium sp. |
| Impatiens downy mildew | Plasmopara obducens |
| Myrothecium leaf spot | Myrothecium roridum |
| Phyllosticta leaf spot | Phyllosticta sp. |
| Phytophthora root rot | Phytophthora sp. |
| Powdery mildew | Oidium sp. |
| Pythium root rot | Pythium aphanidermatum Pythium debaryanum Pythium irregulare Pythium paroecandrum Pythium spinosum Pythium ultimum |
| Rhizoctonia root and stem rot | Rhizoctonia solani |
| Southern blight | Sclerotium rolfsii |
| Verticillium wilt | Verticillium albo-atrum |
| v diseases | |
|---|---|
| Cucumber mosaic | genus Cucumovirus, Cucumber mosaic virus (CMV) |
| Helenium S | genus Carlavirus, Helenium S virus (HVS) |
| Impatiens necrotic spot | genus Tospovirus, Impatiens necrotic spot virus (INSV) |
| Potexvirus, unnamed | |
| Tobacco streak | genus Ilarvirus, Tobacco streak virus (TSV) |
| Tomato spotted wilt | genus Tospovirus, Tomato spotted wilt virus (TSWV) |