Perennials

Ajuga reptans

Hemerocallis varieties

Hosta varieties

Trees

Acer campestre

Acer rubrum

Acer saccharum

Betula nigra

Crataegus varieties

Fraxinus species

Gleditisia species

Koelreuteria paniculata

Liquidambar styraciflua

Malus varieties

Picea abies

Platanus x acerfolia

Pyrus calleryana

Salix species

Ulmus parvifolia

SHRUBS

Abelia grandiflora

Aronia arbutifolia

Cornus species

Deutzia species

Euonymus alatus

Forsythia species

Hamamelis species

Juniperus varieties

Myrica pensylvanica

Spiraea varieties

Thuja occidentalis

Viburnum varieties