Acorus is best known as a groundcover, but also very useful in container planting. Try combining it with it bright purple pansies, parsley, kale and an azalea for winter or with Torenia and autumn fern in summer.
Golden sweetflag is evergreen, but the foliage can look tired by the end of winter. You may want to cut back sweetflag before the new flush of growth in spring. Sweetflag thrives on the edge of a pond or stream or in a boggy site and spreads to create a groundcover. Dividing your plants every three years or so will enable you to enlarge your groundcover planting or share with friends. The golden foliage works well for brightening dark areas, contrasting with rich green or burgundy foliage, or filling between stepping stones. When crushed there is a pleasant scent which helps to make this plant deer resistant.