Monstera adansonii Mint ( archipelago ) ghost Mint form adansonii with that pale, almost ghosty look. New leaves come out close to white, then slowly shift into a soft minty green. Japanischer Liguster Ligustrum japonicum Home Grown Our next species of poisonous and dangerous plants that call Delaware home is not only seen in Delaware's wetlands, but also is considered a common garden weed. Stinging nettle (Urtica dioica) is Philodendron Golden Saw Crocodile oramicin