Rust This isn't the same rust you might see on metal. The plant disease rust can infect over 5000 known species of plants. Rust is a fungi that travels through the air to settle on the host plant. Common symptoms of rust are defoliation, stunted growth, and branch dieback. Rust is typically brownish-yellow to bright orange in color and forms on the leafs of plants. If not treated, the substance will spread to other plants. While plants will not directly die from rust, it can contribute to the decline of the plant. Detecting and treating your plant at the first sign of rust is key to maintain the overall health of your plant. Using an organic product such as the two listed below, you can rest easy knowing the rust is being eliminated and the harmful residuals left behind by synthetic chemicals will not affect your family or pets. |