Acorus gramineus 'Ogon' (slender sweet flag 'Ogon') is a member of the Acoraceae family. This grasse exhibits a clump forming growth habit and is characterised by its semi evergreen foliage. It has a hardiness rating of hardy (very cold winter [-20 to -15ºc]) and is hardy throughout the UK and northern Europe, with many plants grown in containers becoming damaged unless given protection.
When fully mature, Acorus gramineus 'Ogon' can reach an ultimate height of 0.1–0.5 metres and a spread of 0.1–0.5 metres. For optimal growth, it prefers a south–facing or west–facing aspect and a sheltered position. It thrives best in chalk, clay, or loam soil types and should be placed in full sun.
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Fruit
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Stem
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