Alnus

Amelanchier

Arctostaphylos

Aronia

Camellia

Chaenomeles

Clethra

Crataegus

Enkianthus

Escallonia

Gaultheria

Grevillea

Hibiscus

Lavatera

Leucothoe

Loropetalum

Malus

Menziesia

Paeonia

Physocarpus

Pieris

Prunus

Rhaphiolepis

Rhododendron (defines evaluations)

Ribes

Rosa

Rubus

Sorbus

Spiraea

Styrax

Vaccinium