Can I or Can’t I?

In the spirit of ‘eating it all up’ here is a post that focuses on useful items that might otherwise end up in the waste bin. There are parts of plants that are quite edible that we often overlook such as potato skins and broccoli stalks. There are also parts of edible plants that are poisonous.
So, first the bad news, here are some of the poisonous ones:
The leaves of Rhubarb contain oxalic