FoliageGolden Variegated Sweet Flag
Acorus gramineus 'Ogon'
Golden Variegated Sweet Flag (Acorus gramineus 'Ogon') is a medium-growing perennial, hardy in USDA zones 6-9, that matures to about 0.5-1 ft × 0.5-1 ft. It does best in full sun and part shade with high water needs in standing-water and occasionally-wet soil. Expect yellow and green blooms in spring and summer. It stands up well to erosion and wet soil, grows happily in containers.
- USDA zones
- 6-9
- Sun
- Full sun, Part shade
- Water
- High
- Mature size
- 0.5-1 ft × 0.5-1 ft
- Growth rate
- Medium
- Maintenance
- Low
- Soil
- Standing-water, Occasionally-wet
- Bloom color
- Yellow, Green
- Bloom season
- Spring, Summer
- Tough against
- Erosion, Wet soil
- Native to
- Eastern Asia
In the landscape
Data sources
Freeze survival
Will it survive your winters?
Hardiness zones show a normal bad winter. We check the worst one — Golden Variegated Sweet Flag is hardy to about -10°F (estimated from USDA zone 6), so we'll score it against the real coldest nights your area has actually had.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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