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Zones 4-9, 14-24, 31-34
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Moderate

Sisyrinchium striatum

Iridaceae
Flowers

SISYRINCHIUM

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.

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