Japanese Sweet Flag
Acorus Gramineus
Overview
Acorus gramineus, commonly known as Japanese Sweet Flag, is an evergreen perennial. This ornamental grass-like plant features lustrous, sword-shaped leaves, radiating a sweet fragrance when crushed. It thrives in moist, well-drained soil, reaching heights of 6-12 inches with an equal spread. Ideal for water features, its tufted growth habit provides a lush, green texture in zones 5-11, requiring partial to full sun exposure. Blooms are subtle, with interest lying in foliage.
Sun Full, Half, ShadeWater Extra in Summer, HighZones 5–9Type Grass, Ground cover

Culture
- Sun
- Full, Half, Shade
- Water
- Extra in Summer, High
- USDA zones
- 5–9
Shape & size
- Mature height
- 0.5–1 Ft.
- Mature width
- 0.5–1 Ft.
Classification
- Type
- Grass, Ground cover
- Family
- Araceae
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