Acer

Berberis

Calycanthus

Camellia

Cercidiphyllum

Chaenomeles

Cistus

Clethra

Corylus

Crataegus

Crinodendron

Enkianthus

Escallonia

Euonymus

Fagus

Fuchsia

Grevillea

Hamamelis

Hibiscus

Hydrangea

Lavatera

Leycesteria

Loropetalum

Malus

Morella

Parrotia

Pieris

Platanus

Populus

Prunus

Rhododendron (defines evaluations)

Ribes

Spiraea

Ulmus

Viburnum

Weigela