Abelia

Amelanchier

Andromeda

Arctostaphylos

Aronia

Callicarpa

Camellia

Chaenomeles

Cistus

Clethra

Cornus

Cotoneaster

Cydonia

Daphne

Deutzia

Enkianthus

Erica

Eriogonum

Escallonia

Hydrangea

Kalmia

Lagerstroemia

Leucothoe

Lonicera

Magnolia

Menziesia

Myrtus

Pieris

Prunus

Rhaphiolepis

Rhododendron (defines evaluations)

Rhus

Spiraea

Symphoricarpos

Syringa

Vaccinium

Viburnum

Weigela