Rock Star Bearded Iris Rhizome - Rebloomer - Top Size Root Rock Star Bearded Iris has standards that are apricot orange with overlaid red violet mottling and falls that are apricot orange with red violet edge and beards that are red-orange with speckled red violet horns. Rock Star is a Reblooming Bearded Iris. Bearded Irises flower from Early/Mid Spring. Hardiness Zones 3-10. You will receive 1 bulb per order.