Abelia

Amelanchier

Aronia

Callicarpa

Calycanthus

Cercidiphyllum

Chaenomeles

Clethra

Crataegus

Deutzia

Enkianthus

Fuchsia

Hibiscus

Hydrangea

Kolkwitzia

Lavatera

Loropetalum

Malus

Pachysandra

Physocarpus

Prunus

Rhododendron (defines evaluations)

Ribes

Spiraea

Styrax

Vaccinium

Viburnum

Weigela