Acer

Aesculus

Chaenomeles

Clematis

Clethra

Cotoneaster

Crataegus

Daphne

Dasiphora

Enkianthus

Hibiscus

Hydrangea

Lagerstroemia

Leycesteria

Lonicera

Magnolia

Platanus

Populus

Prunus

Rhododendron (defines evaluations)

Ribes

Rosa

Syringa

Ulmus

Viburnum

Weigela