My cannas were growing well and I thought should be about to bloom when I noticed that the leaves hadn’t opened, and they looked like they’d been stitched together! When I unrolled the leaves, I found a little grub and some other black substance. What is that? What can I do about it?
Your cannas have become host to a fairly common creature throughout the southeast called a canna leafroller, and it can do quite a bit of ugly damage to this summer-flowering favorite.
The grub you see when you unroll the leaves is the larval stage of a little brown moth. Continue reading
Filed under: Insects, Perennials, Pests | Tagged: Bt, Canna, larva, leafroller, moth | Leave a comment »
