Rust Disease in Garden Plants - Garden Plant Rust Disease

Overview
Rust disease comes in many forms. It can be bright orange, reddish, yellow or brown, and it can show up as flat or raised spots on a plant. It is commonly found on the underside of a plant's leaves but can be found on other plant parts, such as the stems, flowers and fruit. Serious rust disease may cause stunted growth or the plant may die. Rust disease on flowers cannot be spread to vegetable plants, and vice versa.

Disease
Rust is a fungal disease that affects trees, vegetables, grasses and flowers. The disease weakens a plant by reducing the amount of food it takes in from the roots and the leaves. Wind and splashing water spread rust spores, and the spores develop quickly in wet or humid weather. Spores that spread rust disease live on plant debris during the winter and attack new plants during the summer. Rust disease grows rapidly in temperatures of 50 to 75 degrees F.

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