Adenium

Aesculus

Calluna

Calycanthus

Camellia

Ceiba

Cercidiphyllum

Cercis

Chaenomeles

Cistus

Clematis

Clethra

Cornus

Crataegus

Daboecia

Daphne

Enkianthus

Erica

Escallonia

Fuchsia

Grevillea

Hibiscus

Hydrangea

Jasminum

Kalmia

Lagerstroemia

Lapageria

Lavatera

Loropetalum

Magnolia

Malus

Melaleuca

Nerium

Olneya

Pieris

Prunus

Punica

Rhododendron (defines evaluations)

Ribes

Rosa

Spiraea