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Japanese Sweet Flag (Acorus gramineus)
Japanese Sweet Flag (Acorus gramineus)

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Zone
Zones 3B, 4-10, 14-24, 26-34, 36, 37
Full SunPartial Sun
Full, Partial
Ample Water
Ample

Acorus gramineus

Japanese Sweet Flag
Araceae
Perennials, Aquatic

ACORUS

Found throughout the Northern Hemisphere, these bog or aquatic plants will succeed in water or in rich, well-irrigated soil. They look like clumps or tufts of iris but are related to calla (Zantedeschia). Flowers are inconspicuous. Use in damp borders, at pool edges, or in shallow water.

Acorus gramineus

Fans of 6–12-in., narrow, semievergreen leaves 1 1/2 in. wide rise from the ends of slowly creeping rhizomes that eventually form large clumps.

Acorus gramineus (Japanese Sweet Flag), ‘Ogon’
Acorus gramineus (Japanese Sweet Flag), ‘Ogon’

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‘Ogon’

This popular acorus variety has narrow (1/4 in.), arching, 10-in.-long leaves of golden yellow.

Acorus gramineus ‘Variegatus’
Acorus gramineus ‘Variegatus’

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‘Variegatus’

Has 6–12-in.-long leaves striped with white.

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Acorus gramineus ‘Variegatus’

Has 6–12-in.-long leaves striped with white.

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