Acorus gramineus ‘Ogon’

(Japanese Sweet Flag)

By May 5, 2020
Japanese Sweet Flag - Acorus gramineus 'Ogon'

About Acorus gramineus ‘Ogon’ (Japanese Sweet Flag)

This evergreen perennial is an Acorus gramineus ‘Ogon’ which features narrow grass-like variegated foliage. As a moderate grower, its long rich yellow leaves reach an average landscape size of 6-12″ fanning out 6-12″ in width. From spring to early summer small inconspicuous flowers emerge on separate stems scattered throughout the foliage. It is known by many common names some of which include Japanese Sweet Flag, Sweet Flag Grass and Golden Variegated Sweet Flag.

Planting and Care Instructions

Plant Acorus gramineus ‘Ogon’ using soil that retains moisture in an area that receives full sun to partial shade. This plant will not tolerate dry soils so be sure to water regularly to maintain soil moisture. Pruning is not required but to maintain a clean look, spent leaves can pulled and discarded. Interestingly, every couple years you can propagate the Japanese Sweet Flag by simply dividing the plant in two.

Landscape Design Ideas

Japanese Sweet Flag loves moist soils making it a great option for rock gardens, near ponds and even planted within ponds. Its interesting foliage make it a great border if planted along a pathway or an entrance. Acorus Ogon has a bright appearance and can add color variation to an otherwise dark area or, if planted in multiples, it can give the appearance of a tall ground cover.

Find more plants and design ideas here.

Botanical Name: Acorus gramineus 'Ogon'

Common Name: Japanese Sweet Flag

Average Landscape Size: 6-12" x 6-12"

Plant Type: Evergreen

Bloom Color: Inconspicuous

Foliage Color: Golden Yellow

Forms: Bush, Groundcover

Special Features: Dramatic Color, Shade Tolerant, Year-round Interest, Good For Container Or Ground Planting, Easy Pruning,