A low grassy bog plant forming fans of bright gold-and-green striped leaves with a faintly sweet scent when crushed. Ideal for the edge of ponds, rain gardens and damp borders.
At a glance
- Plant type: Aquatic plant
- Mature size: 30 cm H × 30 cm W
- Aspect: full sun and part shade or morning sun
- Water: wet or boggy ground
- Frost: hardy
- Maintenance: low maintenance
- Origin: Exotic
About Golden Sweet Flag
Botanically, Acorus gramineus 'Ogon' is a moderate-growing aquatic plant in the Acoraceae family. It reaches around 30 cm tall and 30 cm wide at maturity, with evergreen, golden, variegated and aromatic foliage.
Where to grow Golden Sweet Flag
Golden Sweet Flag suits subtropical, warm-temperate and cool-temperate climates and grows best in full sun and part shade or morning sun. It is frost hardy and shrugs off cold winters.
Soil & planting
Golden Sweet Flag does best in clay soil. Dig in plenty of compost before planting, water in well, and mulch to keep roots cool.
Watering & feeding
Golden Sweet Flag is adapted to wet or boggy ground. Refresh mulch and provide a modest balanced feed at the start of spring. For the first year, favour occasional deep watering over frequent shallow drinks so roots move into the surrounding soil.
Pruning & care
Tip-prune Golden Sweet Flag in spring to maintain a dense, shapely habit. Overall it is low maintenance.
Using Golden Sweet Flag in the garden
Golden Sweet Flag earns its place for a feature or specimen planting, pots and courtyard containers and holding soil on banks and slopes. It is equally at home in the ground or a large pot on a balcony or courtyard.
Companion planting & design
Combine Golden Sweet Flag with plants that share its preference for wet or boggy ground and subtropical climate. Use an odd-numbered group where space allows, or repeat it at intervals through a longer bed.
Buying Golden Sweet Flag
Plant Sale lists Golden Sweet Flag as potted plants. Current stock is confirmed manually, so register interest above before planning around a specific size.