We are having a lot of problems with slugs and we want to plant out some canna lilies but are worried they may be subject to slug attacks too.
Are Canna Lilies Subject to Slug Attacks?
Certified GKH Gardening Expert
Unfortunately slugs do love to chow down on Canna leaves.
I do leave little recycled jar lids of beer out at night when they are eating in my garden. I have good luck with that treatment and it's inexpensive.
Here are a few great articles for you.