Chestnut Collection - established in 2000 with 5 transplanted, grafted chestnut trees for each of 5 cultivars. At present 4 trees remain, representing 3 of the 5 cultivars. Eventually 25 cultivars will be represented.
Conifer Collection - several sites with 21 taxa of firs (excluding dwarf forms), 39 of pines, and 25 of spruces.
Flowering Crabapple Collection - 83 cultivars in a new collection; many trees are quite small.
Maple Collection - one of the core collections. One site contains Red Maple (Acer rubrum), Sugar Maple (Acer saccharum), Silver Maple (Acer saccharinum), and Striped Maple (Acer pensylvanicum). Another contains an overstory of Acer x freemanii with an understory of shade-loving maples, including snakebark maples (Acer davidii and Acer tegmentosum) and small trees similar to the Japanese maple, such as Acer shirasawanum and Acer pseudosieboldianum. A third site consists primarily of small Asian Maples.
Oak Collection - 50 oaktaxa in a fairly young collection, with a goal of acquiring all species hardy in Zone 5.
Urban Tree Collection - planted throughout the arboretum.
Walnut Collection - the oldest collection, planted in the early 1960s. 20 cultivars, representing Black Walnut (Juglans nigra), Butternut (Juglans cinerea) and Heartnut (Juglans ailanthifolia).
