Bryant RedHawk wrote:Celtis occidentalis is a member of the Elm family and is now part of the Cannabaceae genus so if you want to do something really unique you could graft some hops to your hackberry trees.
Redhawk
I think what you mean to say is that Genus Celtis has been moved into the Cannabaceae(Hemp) family from the Ulmaceae(Elm) family, which it was formerly considered a member of.
It'd be interesting to see some successful grafts like this.