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 an 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. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Golden Sweet Flag is wet or boggy ground. A feed in spring with a balanced fertiliser keeps growth strong. In its first year, water deeply once or twice a week to settle the roots in, then taper off as it establishes.
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
For a cohesive, low-care bed, pair Golden Sweet Flag with other plants that enjoy the same wet or boggy ground and subtropical climate. Repeat it through a border to tie the planting together and give a sense of rhythm.
Buying Golden Sweet Flag
Plant Sale lists Golden Sweet Flag as potted plants. Stock isn't live yet — register your interest using the panel above and we'll email you the moment it lands.