Glen, I would be a bit careful with Cherry. If you know where it's from and what type it is and how dry it is you maybe ok. For example if it's an Amur/Black cherry and it's not <12 Moisture content, salt may pull that moisture out and be heavily laden with cyanide out of the cherry.
If you have a Mother In Law you need to get rid of, this maybe a great method....
All I can say is do your homework and keep a copy of this handy
http://vet.vet.purdue.edu/toxic/navigate.htm
Good Luck.