It seems to prefer a firmer bottom. I have it wherever I added pea gravel.

A nearby lake has a large sandbar across the middle. It used to be thick with Bullrush. There hasn't been any for years. According to a local biologist the young shoots were gobbled up by Canadan geese. Maybe something to keep in mind?

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.