Share to Google Classroom Iris cristata Grows up to 15 inches tall Cold, hardy perennial The name Iris means Rainbow Smaller than cultivated Irises Three blue petals Thick, bushy beards on lower blossom petals Prefers sunny habitats Grades: 3 4 5 6 7 8 9 10 11 12 Subjects: ScienceLife ScienceThe Plant KingdomFlowering Plants Series: NatureSceneAppalachian Cove (S.C.)