Pieris japonica, an ornamental garden plant in Carl S. English Jr. Botanical Garden, Seattle, Washington. The species is one of the more than 500 species and 1,500 varieties of plants from around the world. The ArbNet Arboretum Accreditation Program and The Morton Arboretum awarded this accreditation to the botanical garden, for achieving particular standards of professional practices deemed important for arboreta and botanic gardens.