This plant has in the system Hansen/Mussel used for describing perennials the following code : 1.2.6.3
Explanation of the first digit : General location : WOODLAND. Plants, that in a garden need to be planted close to trees or shrubs. They require shade and prefer a peaty soil.
Explanation of the second digit : Specific demands of the plant : Plants for a sheltered, shaded place, between or near trees or shrubs, with a cool soil and maybe an hour or so sun a day.
Explanation of the third digit : Where to put : Plants of near the edge of a forest: some shade, some sun.
Explanation of the fourth digit : Other characteristics : Suckering plant.