· Find out how to growsweetflag, a low-maintenance perennial that forms a dense groundcover in wet or moist locations. GrowingSweetFlagGrass: Tips at a Glance Japanese sweetflaggrass is a beautiful accent plant or massed ground cover near water gardens, along streams or ponds, or in moist, open woodland gardens. View allMay 9, 2022 · To growsweetflag in a pond or other standing water, place the plant in a container and set it in water less than 4 inches (10 cm.) deep. Sweetflag plant benefits from division in spring every three or four years. · Sweetflag adds beauty, natural filtration, and erosion control to any water garden. Here’s everything you need to know about how to grow and care for your sweetflaggrass. · Variegated sweetflag (Acorus calamus) growing, care, seeds, benefits, uses and facts. How to properly care for and plant muskrat root in ponds. It grows in partially submerged conditions or very wet soils in full sun to partial shade. In hot summer areas, it will do best with some afternoon shade. Plant 8 to 12 inches apart to allow room to spread. The spring flowers are insignificant and are followed by small berries. A great choice for naturalizing, SweetFlag is quite versatile in the garden and makes a decorative foliage accent in water gardens and around ponds. Grows easily about 24-30 in. tall (60-75 cm) and 18-24 in. wide (45-60 cm). GrowingSweetFlagGrass: Tips at a Glance Japanese sweetflaggrass is a beautiful accent plant or massed ground cover near water gardens, along streams or ponds, or in moist, open woodland gardens. · To growsweetflag in a pond or other standing water, place the plant in a container and set it in water less than 4 inches (10 cm.) deep. Sweetflag plant benefits from division in spring every three or four years. · Sweetflag adds beauty, natural filtration, and erosion control to any water garden. Here’s everything you need to know about how to grow and care for your sweetflaggrass. · Variegated sweetflag (Acorus calamus) growing, care, seeds, benefits, uses and facts. How to properly care for and plant muskrat root in ponds. A great choice for naturalizing, SweetFlag is quite versatile in the garden and makes a decorative foliage accent in water gardens and around ponds. Grows easily about 24-30 in. tall (60-75 cm) and 18-24 in. wide (45-60 cm). It grows in partially submerged conditions or very wet soils in full sun to partial shade. In hot summer areas, it will do best with some afternoon shade. Plant 8 to 12 inches apart to allow room to spread. The spring flowers are insignificant and are followed by small berries.