Iris relatives with narrow, leaves and small, six-segmented flowers that open in sunshine. Pretty but not showy; best suited for informal gardens or naturalizing.Sisyrinchium striatum
Grows 3 ft. tall, 1 ft. wide, with attractive gray-green leaves. In spring, produces spikelike clusters of many 1/2-in. flowers in pale yellow streaked with brown; blooms well into summer if old flower clusters are removed (if you don’t remove them, you may have hordes of unwanted seedlings the next year). Leaves of ‘Aunt May’ (‘Variegatum’) are striped with creamy yellow.
Grows 15 to 20 ft. tall and 20 to 25 ft. wide, forming an extremely dense crown with spreading branche...
Grows 30 ft. tall, 10 to 15 ft. wide. The plant's narrow form is useful on small lots and in side yard...
Grows 25 ft. tall and wide, sporting an open form when young, becoming more rounded with age.