Why is my elephant ear growing a flower? An elephant ear plant is growing a flower because it has reached maturity and is experiencing optimal growing conditions, meaning it has enough warmth, Leucocoprinus birnbaumii, aka Lepiota lutea, the yellow houseplant or house plant soil mushroom, Tom Volk's Fungus of the Month for February 2002, Trailing Jasmine Dreamy Indoor Blooms , Butterfly like blooms that dance in the breeze, Flower clusters up to 1.5 ft long, hanging like willow branches, Shade tolerant, heat resistant, Favorite Tropical Houseplants That Can Transform Your Home or Apartment Into an Exotic Paradise HGTV