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Why are the leaves of my geraniums discoloured?
The plants are only 1-2 years old, are all potted plants. Some leaves have a mottled appearance as per photo. On occasion, back of some leaves look like they have been invaded but can't see any pest
yates
08 October 2011 10:08 PM
Hi Shelley,
Geraniums are very prone to rust which is seen on the underside of the leaves as brown pustules. Caterpillars such as green loopers also enjoy eating the leaves. I suggest you try a product like Yates Rose Shield which contains both a systemic fungicide and insectide. Water under the leaves and this will also help reduce the incidence of disease.
Topics: Flowers and Ornamentals
Issues: Diseases