hollyhock diseases pictures - GARDENING
While hollyhocks are generally hardy plants, it's important to learn how to identify and treat common hollyhock diseases and pests. Plant in full sun, protect them from heavy winds, and be proactive about checking for problems. Keeping your hollyhocks healthy and disease-free requires knowledge of common diseases and their identification.
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By understanding the symptoms and taking appropriate measures, you can effectively treat and prevent diseases such as powdery mildew, rust, crown rot, leaf spot, and mosaic virus. In general, hollyhocks are quite robust plants, but these diseases and pests can pose a threat to the plant. In this article, farmer Briana Yablonski will share five common issues that plague these plants and explain how to handle them. When hollyhocks are healthy, they’re some of the most beautiful garden flowers.
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Tall stalks tower overhead and display large blooms that brighten summer gardens. Hollyhock rust is the most common fungal leaf disease of hollyhocks. Hollyhock rust can quickly spread, causing stunting of plants and premature leaf drop. In rare instances, hollyhock rust can result in plant death. Informational table showing disease name, symptoms, pathogen/cause, and management of Holly diseases.
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What is Hollyhock Rust? Caused by the fungus Puccinia heterospora, hollyhock rust is a disfiguring disease that infects members of the Alcea (hollyhock) family. It begins as yellow spots on top of the leaves with rusty pustules on the undersides. Hollyhock rust is a fungal disease that manifests in the form of orange, brown, or rust-coloured pustules that appear along the foliage. If you don’t treat the problem it leaves the leaves wilted and discolored.