The Sandbox tree, Water Hemlock, and Giant Hogweed are the mean girls of the plant world. They don’t care about your feelings. If you get too close you might experience rashes, blindness, third degree burns, and/or death. These plants say, touch me, I DARE YOU.
Sandbox Tree info on Britannica
Animalogic YouTube with exploding Sandbox tree seedpods
Water Hemlock is terrible
New York State Department of Environmental Conservation Giant Hogweed WARNINGS
Trigger warning for this last link. Photos of a leg burned with Giant Hogweed sap