Adenium

Aesculus

Calycanthus

Ceiba

Cercidiphyllum

Cercis

Chaenomeles

Clematis

Clethra

Cornus

Crataegus

Daphne

Enkianthus

Fuchsia

Hibiscus

Hydrangea

Lagerstroemia

Lavatera

Loropetalum

Magnolia

Malus

Prunus

Punica

Rhododendron (defines evaluations)

Ribes

Rosa

Spiraea

Syringa

Viburnum

Weigela