Adenium

Aesculus

Agave

Berberis

Calluna

Calycanthus

Camellia

Cercis

Chaenomeles

Cistus

Clethra

Coleogyne

Cornus

Corylus

Cotinus

Cotoneaster

Crinodendron

Daphne

Distylium

Enkianthus

Erica

Escallonia

Euonymus

Feijoa

Fouquieria

Fuchsia

Grevillea

Hamamelis

Hesperaloe

Hibiscus

Hydrangea

Jasminum

Kalmia

Lagerstroemia

Lavatera

Leycesteria

Lonicera

Loropetalum

Magnolia

Melaleuca

Nerium

Olneya

Parrotia

Pieris

Pittosporum

Prunus

Punica

Rhododendron (defines evaluations)