Acorus gramineus ‘Ogon’
Overview
Uses: Water gardens, bog gardens, borders, edging, groundcovers, and container plantings.
Benefits: Bright golden-yellow variegated foliage adds contrast and light to shaded or moist areas. Evergreen in milder climates, this compact selection provides consistent texture and color throughout the growing season.
USDA Hardiness Zones: 5–9
Sun: Full Sun to Partial Shade
Life Cycle: Hardy Perennial
Growth Habit: Clumping, Upright — narrow blades form dense tufts.
Foliage Color: Golden Yellow and Green Variegated
Mature Height: 10–12"
Mature Width: 8–10"
Bloom Season: Inconspicuous
Growth Rate: Moderate
Summary
A bright ribbon of golden foliage for moist garden spaces.
Acorus gramineus ‘Ogon’, commonly known as Golden Variegated Sweet Flag, forms compact clumps of slender, arching leaves striped in yellow and green. The fine texture contrasts beautifully with broader-leaved perennials and darker foliage plants.
Well suited to water features, rain gardens, and consistently moist soils, this selection also performs well in containers. In milder climates, foliage may remain evergreen, extending its visual impact beyond the growing season.
When brushed or crushed, the foliage releases a subtle fragrance, adding another sensory element to garden spaces.
Care
Golden Variegated Sweet Flag Care
Plant in full sun to partial shade. In warmer climates, some afternoon shade helps maintain foliage color.
Prefers consistently moist, well-drained soil. Ideal for bog gardens or areas near water features. Do not allow soil to dry completely.
Apply a
slow release fertilizer
in spring to support healthy growth.
Minimal pruning is required. Remove damaged or winter-worn foliage in early spring as new growth begins.
Container Growing: Performs well in containers with consistently moist soil. Monitor watering closely, as containers dry more quickly than in-ground plantings. Plants hardy in the ground may require winter protection when grown in containers in colder zones.
Size
What Size is the Golden Variegated Sweet Flag for Sale Online?
Plants ship in a greenhouse-grade grow pot at an actively growing stage. Size at shipment varies seasonally. For current sizing details, please
contact us
.
How Large Does Golden Variegated Sweet Flag Grow?
At maturity, this perennial typically reaches 10–12 inches tall and spreads 8–10 inches wide, forming dense, upright clumps.
Additional Information
What is the botanical name of Golden Variegated Sweet Flag?
The botanical name is Acorus gramineus ‘Ogon’.
What are some common names for this plant?
This plant is commonly known as Golden Variegated Sweet Flag or Japanese Sweet Flag.
Is ‘Ogon’ suitable for water gardens?
Yes. It performs especially well in moist soils and near water features. Browse additional moisture-loving selections in our
Perennials and
Groundcovers collections.
Can Golden Variegated Sweet Flag be used as a groundcover?
When planted in groups, its dense clumping habit creates a low-maintenance groundcover effect in moist or partially shaded areas.
