Recognizing, Managing, and Preventing Rust on Canna Plants

A close up of a green leaf with orange spots caused by a fungal disease.

Canna, often called canna lily, is a rhizomatous perennial with spikes of bright blossoms, and ample, tropical-style foliage. Under less than ideal conditions, it may fall victim to a condition called rust. Learn what this is, how to treat an infection, and what preventative measures you may take to avoid an outbreak.