Iris flower is associated with faith, wisdom, friendship hope and valor. The blade shaped foliage denotes sorrows that pierced the heart. The fleurdeilis is one of the most known symbols of the iris flower. The symbolic meaning of Iris flowers depends on the color. White Iris flowers symbolize purity and kindness, yellow Iris flowers symbolize passion, blue Iris flowers symbolize hope and faith and purple Iris flowers symbolize wisdom and compliments. Iris is February birth flower and the 25thWedding Anniversary flower.