General Information

• Scientific Name: Acorus gramineus 'Ogon'

• Common Name: Golden Sweet Flag

• Family: Acoraceae

• Origin: Japan

Description

• A low-growing, grass-like perennial with bright golden-yellow leaves, creating a striking contrast in gardens or containers.

• Foliage is narrow, upright, and arching, forming clumps 15–20 cm tall.

• Unlike other Acorus varieties, it rarely flowers, making it valued primarily for its foliage.

Growing Conditions

• Light: Partial shade to full sun. Bright light enhances golden color.

• Soil: Moist, well-drained soil; tolerant of wet conditions, even suitable for pond edges.

• Watering: Keep consistently moist; can handle shallow water.

• Hardiness: USDA zones 5–9.

Uses

• Perfect as ground cover, in water gardens, or along pond margins.

• Works well in container planting or rock gardens for color contrast.

• Ideal for small-scale landscaping due to its compact growth.

Care Tips

• Divide every 2–3 years to maintain vigor.

• Remove yellowing leaves to keep tidy.

• Mulch in winter if grown in cooler zones.