Also make sure you've read the full readme here on github.

Bonsai Trees version:1.1.3-b156
Forge version:2847
I am not using Optifine: I am using it
Link to Crashlog: N/A
Screenshot (if possible): N/A
Description of the problem including expected versus actual behavior:
When breaking a hopping bonsai pot with an axe, two are returned

Steps to reproduce:
See above

Any update..?

I can not reproduce this. Must be an interaction with some other mod.

Turns out it was multi mine causing a bunch of dupe bugs