Calluna

Calycanthus

Cercis

Clematis

Cotinus

Daboecia

Daphne

Euonymus

Hibiscus

Lagerstroemia

Leycesteria

Lonicera

Loropetalum

Magnolia

Malus

Nerium

Olneya

Pittosporum

Rhododendron (defines evaluations)

Ribes

Rosa

Syringa