**Rhododendron: Properties, Benefits, Side-effects?** **Secrets of honey. Rhododendron Honey: toxic, natural viagra or harmless?** Rhododendron Honey The production of rhododendron honey in large quantities in Italy recently, and can only take place thanks to modern roads, which allow beekeepers to move hives to ... poisonous to humans and livestock, while the nectar, honey, and consequently, have no traces of substances dangerous to humans. Always read the labels well.