Berberis

Camellia

Chaenomeles

Clethra

Corylus

Crataegus

Enkianthus

Escallonia

Grevillea

Hamamelis

Hibiscus

Lavatera

Loropetalum

Malus

Parrotia

Pieris

Prunus

Rhododendron (defines evaluations)

Ribes

Spiraea