Aesculus

Berberis

Camellia

Chaenomeles

Clematis

Clethra

Cotoneaster

Crataegus

Daboecia

Daphne

Enkianthus

Erica

Escallonia

Feijoa

Hibiscus

Hydrangea

Jasminum

Kalmia

Lagerstroemia

Leycesteria

Lonicera

Magnolia

Nerium

Olneya

Pieris

Platanus

Populus

Rhododendron (defines evaluations)

Rosa

Sarcococca

Syringa

Ulmus

Viburnum

Vitex

Weigela