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Acorus gramineus 'Ogon'

Japanese Sweet Flag
  • Plant Type:
  • Grass & Grass-like
  • Evergreen-Deciduous:
  • Evergreen
  • Overall Mature Size:
  • Small
  • Mature Height & Spread :
  • 10" x 12"
  • Natural Growth Habit:
  • Clumping
  • Native To:
  • Asia, Japan
  • Exposure:
  • Full Sun, Partial Shade
  • Water:
  • High Water
  • Flower Color:
  • Insignificant
  • Special Features:
  • Intermountain Conditions, Variegated Foliage
  • Container Sizes:
  • #1
  • Sunset Garden Zones:
  • 3b-10, 14-24


This is a particularly attractive variegated perennial that thrives in shallow water or in wet to damp soil. The long narrow leaves measure ¼ inch wide and 10 inches long and are golden yellow and light green. Underground rhizomes form clumps from which the tufts of leaves emerge. Grass-like and graceful, Japanese Sweet Flag ‘Ogon’ bears fragrant but inconspicuous flowers. It brightens dark corners and will thrive wherever water is abundant. Native to Japan and Eastern Asia, it thrives in full sun everywhere but in the hottest climates.