This article is a list of diseases of

geranium ''Geranium'' is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums or cranesbills. They are found throughout the temperate regions of the world and the mountains of the tropics, but mostly in ...

s (''Pelargonium'').

Bacterial diseases

Fungal diseases

Virus diseases

Nematodes, parasitic

Miscellaneous diseases and disorders

{, class="wikitable" style="clear" ! colspan=2, Miscellaneous diseases and disorders
, - , Edema (Oedema) , - , Moisture imbalance in plants when soil is warm and wet while the air is cool and wet , - , Leaf bleaching , - , Heat stress , - , Yellow net vein , -

References

Common Names of Diseases, The American Phytopathological Society

Geranium ''Geranium'' is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums or cranesbills. They are found throughout the temperate regions of the world and the mountains of the tropics, but mostly in ...

Ornamental plant pathogens and diseases Diseases, List of