Showy Annual is a term used to describe plants that are known for their bright and vibrant colors. The three plants associated with this term are ASTER, SNAPDRAGON, and MARIGOLD. ASTER is a genus of flowering plants in the family Asteraceae, which includes daisies and sunflowers. SNAPDRAGON is a genus of plants in the family Scrophulariaceae, which includes foxgloves and penstemons. MARIGOLD is a genus of plants in the family Asteraceae, which includes daisies and sunflowers. All three of these plants are known for their bright and vibrant colors, making them perfect for adding a showy annual display to any garden.