Table 1.

Planted species in three vegetation layers; G: grass layer; S: shrub layer; T: tree layer.

Layer	Species	Classification	Height (m)	Plant Form
G	Zoysia japonica	Grass or Herb	0.1–0.2	Grass
S	Euonymus japonicus	Shrub	1.0–1.5	Round or vase
	Spiraea sp.	Shrub	0.5–1.0	Irregular or Weeping
	Euonymus alatus	Shrub	1.0–1.5	Vase or Open
	Rhododendron sp.	Shrub	0.5–1.0	Vase or Round
	Buxus mycrophylla var. koreana	Shrub	0.5–0.8	Round or Vase
	Sorbaria sorbifolia var. stellipila	Shrub	0.8–1.8	Irregular
T	Cornus officinalis	Tree	2.0–2.5	Vase or Irregular
	Crataegus pinnatifida	Tree	2.5–3.5	Oval or Open
	Sorbus alnifolia	Tree	2.0–3.0	Round or Oval
	Taxus cuspidate	Tree	1.5–2.0	Pyramidal
	Thuja orinetalis	Tree	1.5–2.0	Columnar
	Cornus kousa	Tree	2.5–3.5	Open or Oval