Hi, Karen. Cannas are susceptible to canna leaf rollers, Japanese beetles, root-knot nematodes, slugs, snails, and spider mites, just to name a few. Since you are not sure exactly what is eating your plants leaves, try treating with neem oil. It can control many pesky pests.
Hi, Karen. Cannas are susceptible to canna leaf rollers, Japanese beetles, root-knot nematodes, slugs, snails, and spider mites, just to name a few. Since you are not sure exactly what is eating your plants leaves, try treating with neem oil. It can control many pesky pests.