Variegated Dalmatian Iris Bulbs have white variegation on broad green leaves. Similarly, leaves are 18 to 30 inches tall. Likewise, bright lavender-blue flowers. Flowers appear in the late spring, early summer. Fragrance is a delicious grape soda. Grows best in full sun, light shade. Loves moist soil. Hardy to well below 0 degrees F. Dalmation Irises are native to the Velebit Mountains of Dalmatia, a province of Croatia. Also found in the southern Alps and the Istrian Peninsula in the Crimea.