There are a lot of poisonous plants out there that should be known. Plants that kill pet dogs and which can cause a lot of lasting pain. There's a garden in England "Alnwick Garden" Which has a caged off bit in the middle, which houses some of the most dangerous plants in the world. The curator of this garden made it, so people could understand there were such species out there. Source 3e I believe that there should be a warning on some labels to show what it could do if used inappropriately or some of the side-effects of such a plant. As a gardener, I definitely would want yo know