Sweetflag Variegated Dwarf looks nice on the edge of ponds or bogs.

Sweetflag Variegated Dwarf, also known as Acorus Gramineus Variegatus. Moist soil or submerged in water up to 1". Provide wonderful color and texture for lightly shaded gardens. Green and yellow leaf color. 

Sold As: 3.5" Pot

Care Level: Easy

Lighting Requirement: Full Sun 

Co2: Not Needed

Growth Rate: Moderate

Origin: Asia