Our collections include a wide range of trees, shrubs, herbaceous, perennials, ground covers, and seasonal annuals in the gardens and in containers. Collections of special interest include conifers, rhododendrons and azaleas, Hemerocallis, and Primulas.

Remarkable specimen plants include; a weeping European Beech, a contorted European Beech, a golden weeping European Beech, a Tri-color European Beech (Fagus sylvatica pendula, F.s. tortuosa, F. s. “Aurea Pendula”, F. s. roseomarginata). There are also a fastigiate English Oak (Quercus robur fastigiata), a Bald Cypress (Taxodium distichum) , a huge creeping Norway spruce (Picea abiesrepens’) that came from early Rock Garden Society luminary Burr Bronson in 1967 as a 6-inch plant, a weeping Katsura (Cercidiphyllum japonicum), and a Phellodendron amurense or Chinese Cork tree; the latter located on the back lawn was acquired as a 6- inch seedling at the Annual Meeting of the Rock Garden Society in Conway New Hampshire in 1969. The gardens also contain several mature specimens of Stewartia.

The Arboretum in the pasture contains additional Fagus cultivars, conifers, Quercus in variety, an Aesculus collection, a Gymnocladus dioica (Kentucky Coffee Tree), other Magnolias, a variegated Liriodendron, and much more.