Acorus Gramineus 'Ogon' - Golden Japanese Sweet Flag
Best golden accent for pond owners seeking low-maintenance, vibrant water-loving foliage.
This dwarf cultivar of grassy-leaved sweet flag features linear fans of semi-evergreen, glossy, pale green and cream-striped leaves that create a striking golden effect. Reaching up to 10 inches tall and 6 inches wide, it's an aquatic perennial prized for its showy foliage. It thrives in shallow water margins or very moist to wet soil, preferring full sun. Its vibrant coloring adds a beautiful splash of gold to any pond or water garden setting, making it a popular choice for adding visual interest.
$9.94
Owner Satisfaction
4.6
/ 5
Category Rank
408
/ 955
#408 in Aquatic Plants
Price vs Category Average
-46%
Below average
Height
10
/ inches
Who it's for
- Gardeners seeking vibrant, year-round visual contrast for water features
- Pond owners needing versatile plants for shallow, moist edges
- Busy hobbyists wanting reliable, low-maintenance, and pest-resistant greenery
Who should skip it
- Shady garden owners unable to provide sufficient bright light
- Forgetful caretakers unable to maintain consistent soil moisture
- Impatient landscapers looking for rapid, dense coverage
Performance breakdown
Visual Impact
Golden foliage provides a high-contrast pop against dark pond water.
Maintenance Ease
Low-maintenance perennial that thrives with minimal intervention in wet soil.
Hardiness Range
Reliable performance across a broad spectrum of temperate climate zones.
Growth Habit
Compact, non-invasive form perfect for small water features and margins.
Environmental Versatility
Adapts seamlessly to both shallow water margins and boggy garden soil.
Foliage Longevity
Semi-evergreen leaves maintain structural interest well into the cooler months.
Key Specs
Height
10 inches
Width
6 inches
Zones
5-9
Features
- Dwarf cultivar with striking golden foliage
- Semi-evergreen, glossy leaves with cream stripes
- Ideal for shallow water margins or wet soil
- Adds vibrant color to pond edges
- Easy to grow in full sun conditions
What customers say
Customers consistently celebrate the exceptional quality of the 'Ogon' Sweet Flag upon arrival. Reviewers frequently note the plants are robust, healthy, and meticulously packaged, ensuring successful transit. The vibrant golden variegation is a major draw, significantly enhancing the aesthetic design of water features and pond edges. Consumers feel this plant reliably establishes itself, providing immediate visual impact and long term beauty, justifying the purchase price.
Know before you buy
This plant is best suited for shallow water margins. You should keep the water depth at or below the top of the pot, ideally no more than 2 to 3 inches deep.
The 'Ogon' sweet flag is hardy in zones 5 through 9. It is semi-evergreen, meaning it may retain some foliage in milder climates but will likely die back in colder regions before returning in the spring.
Yes, full sun is recommended to achieve the most vibrant golden-yellow coloration. While it can tolerate partial shade, the leaves may appear more green and lose their striking contrast.
You can absolutely plant it in the ground, provided the soil remains consistently wet or boggy. It is an excellent choice for rain gardens or the edges of water features where the soil stays saturated.
As a dwarf cultivar, it has a relatively slow to moderate growth rate. It reaches a mature size of about 10 inches tall and 6 inches wide, making it easy to manage in smaller containers or tight spaces.
Still have a question?
Ask Hayley anything about this product before you decide.