This is Gladiolus illyricus, also known as Wild Gladiolus. This perennial plant likes to have at least 6 hours of direct sunlight per day and will grow 2 to 3 feet tall. Gladiolus illyricus is the larval host plant for the Spotted Straw and Iris Borer Moths. This plant is in lage part pollinated by skipper butterflies. USDA Hardiness Zones 5 to 10