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Master Gardener Decision Support Guide

Perennials

Canna


The disease you have described is rust caused by a fungus. Treat plants with a product such as Systhane. Water in the morning verses in the evening to allow foliage to dry. Clip off and destroy leaves that are infected. Transplant canna tubers so they receive better air circulation.
For more information see Disease Note (not available), Picture (not available), Pesticide Chart (Not available),

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Designed by Cyndi Lauderdale on January 4, 2000.
Contents modified on January 27, 2000.