10 Houseplants With Red Leaves Urban Garden Gal DIY Wall Hanging Planters H2OBungalow Weed Alert! Parthenium weed (Parthenium hysterophorus) Did you know that the Parthenium weed is a fast growing plant with small white flowers that can cause allergic reactions in humans? It is a serious In the world's driest desert, Chile's Atacama, an unusual plant thrives where little else can survive. Known as llareta, it appears like glowing green moss glued to rocks. But it's actually a