How Do You Prevent Rust Disease

Dust your plants with sulfur early in the season to prevent infection or to keep mild infections from spreading. Space your plants properly to encourage good air circulation. Avoid wetting the leaves when watering plants. There are many effective rust fungicides you can try.

What kills rust fungus?

A weekly dusting of sulfur can prevent and treat rust fungus. Neem oil, a botanical fungicide and pesticide, also controls rust. Some organic gardeners swear by baking soda to control garden fungus. The efficacy of baking soda spray might be enhanced by mixing it with light horticultural oil.

How do you treat rust on trees?

Use a mild bleach solution, and rinse and dry them thoroughly before putting them away. Rake up and remove fallen or dead leaves and other plant debris. Some gardeners compost vegetation that show signs of rust, expecting the compost pile to heat up enough to kill the spores.