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Sisyrinchium palmifolium

Palm-leaf Yellow-Eyed Grass

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Item #: 5018

Zones: 7a to 9b, at least

Height: 20" tall

Culture: Sun

Origin: Argentina, Brazil, Uruguay

Pot Size: 3.5" pot (24 fl. oz/0.7 L) ?


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I've grown many sisyrinchium species but never anything this impressive. The evergreen, blue-green iris foliage makes a dense 20" tall x 20" wide clump. In May and June, Sisyrinchium palmifolium clumps are topped with 2.5' tall flower spikes laden with large, quarter-sized, bright-yellow flowers that open around 6 o'clock in the evening. There is little information about this South American species, although we understand that some taxonomists lump this with Sisyrinchium macrocephalum. That's okay with us, as it doesn't change the fact that this is a great garden perennial.