Buckeye FactsFirst of all, all parts of the tree are poisonous. Some sources say that the buckeye nuts can be leached to remove the tannin, but, hmm. Maybe not. Along those lines, The Texas A&M ...

Bottlebrush buckeye is toxic to humans and pets ... perennial gardens to create a sense of enclosure and emphasize the plants within. Another way to use this flowering shrub is at the edge ...