As of 2014, the arboretum contains over 1,000 trees representing 29 families, 70 genera, and 174 species.
The species represented include:
The Beech Family (Fagaceae)
Beech
- American beech (Fagus grandifolia)
- European beech (Fagus sylvatica)
Chestnut
- American chestnut (Castanea dentata)
- Chinese chestnut (Castanea mollissima)
Oak
- black oak (Quercus velutina)
- burr oak (Quercus macrocarpa)
- chestnut oak (Quercus montana)
- chinkapin oak (Quercus muehlenbergii)
- English oak (Quercus robur)
- Ingram oak (Quercus ingram)
- Lucombe oak (Quercus x hispanica)
- northern red oak (Quercus rubra)
- overcup oak (Quercus lyrata)
- pin oak (Quercus palustris)
- post oak (Quercus stellata)
- sawtooth oak (Quercus acutissima)
- scarlet oak (Quercus coccinea)
- Shumard oak (Quercus shumardii)
- southern red oak (Quercus falcata)
- swamp chestnut oak Quercus michauxii)
- swamp white oak (Quercus bicolor)
- water oak (Quercus nigra)
- white oak (Quercus alba)
The Birch Family (Betulaceae)
Birch
- paper birch (Betula papyrifera)
- river birch (Betula nigra)
- Schmidt’s birch (Betula schmidii)
- sweet birch (Betula lenta)
- yellow birch (Betula alleghaniensis)
Hophornbeam
- American hophornbeam (Ostrya virginiana)
Hornbeam
- American hornbeam (Carpinus caroliniana)
The Cashew Family (Anacardiaceae)
Smoketree
- American smoketree (Cotinus obovatus)
The Cypress Family (Cupressaceae)
Arborvitae
- green giant arborvitae (Thuja standishii x plicata)
Baldcypress
- baldcypress (Taxodium distichum)
Cypress
- hinoki cypress (Chamaecyparis obtusa)
- Lawson cypress (Chamaecyparis lawsoniana)
- Nootka cypress (Chamaecyparis nootkatensis)
- Leyland cypress (x Cupressocyparis leylandii)
Juniper
- Chinese juniper (Juniperus chinensis)
- eastern redcedar (Juniperus virginiana)
Redcedar
- western redcedar (Thuja plicata)
Redwood
- dawn redwood (Metasequoia glyptostroboides)
Sequoia
- giant sequoia (Sequoiadendron giganteum)
White-Cedar
- northern white-cedar (Thuja occidentalis)
Cryptomeria
- Japanese cryptomeria (Cryptomeria japonica)
False fir
- Chinese-fir (Cunninghamia lanceolata)
The Dogwood Family (Cornaceae)
Blackgum (Tupelo)
- blackgum (Nyssa sylvatica)
Dogwood
- flowering dogwood (Cornus florida)
- Japanese cornelian cherry (Cornus officinalis)
- Kousa dogwood (Cornus kousa)
- Walter dogwood (Cornus walteri)
The Ebony Family (Ebonaceae)
Persimmon
- common persimmon (Diospyros virginiana)
The Elm Family (Ulmaceae)
Elm
- Chinese elm (Ulmus parvifolia)
- Japanese elm (Ulmus japonica)
- red elm (Ulmus rubra)
- Scots elm (Ulmus glabra)
Zelkova
- Japanese zelkova (Zelkova serrata)
The Ginkgo Family (Ginkgoaceae)
Ginkgo
- ginkgo (Ginkgo biloba)
The Holly Family (Aquifoliaceae)
Holly
- American holly (Ilex opaca)
The Katsura Family (Cercidiphyllaceae)
Katsura
- katsura tree (Cercidiphyllum japonicum)
The Laurel Family (Lauraceae)
Sassafras
- sassafras (Sassafras albidum)
The Legume Family (Fabaceae)
Coffeetree
- Kentucky coffeetree (Gymnocladus dioicus)
Honeylocust
- honeylocust (Gleditsia triacanthos)
Locust
- black locust (Robinia pseudoacacia)
Redbud
- eastern redbud (Cercis canadensis)
Yellowwood
- American yellowwood (Cladrastis lutea)
Pagodatree
- Japanese pagodatree (Sophora japonica)
The Loosestrifes Family (Lythraceae)
Crape-myrtle
- crape-myrtle (Lagerstroemia indica)
The Magnolia Family (Magnoliaceae)
Magnolia
- saucer magnolia (Magnolia x soulangiana)
- southern magnolia (Magnolia grandiflora)
- sweetbay magnolia (Magnolia virginiana)
- umbrella magnolia (Magnolia tripetala)
- cucumbertree (Magnolia acuminata)
Yellow-poplar
- yellow-poplar (Liriodendron tulipifera)
The Mallow Family (Malvaceae)
Basswood
- American basswood (Tilia americana)
Linden
- little leaf linden (Tilia cordata)
The Oleaster Family (Elaeagnaceae)
Mulberry
- white mulberry (Morus alba)
Osage-orange
- Osage-orange (Maclura pomifera)
Raisin tree
- oriental raisin tree (Hovenia dulcis)
The Olive Family (Oleaceae)
Ash
- Biltmore ash (Fraxinus biltmoreana)
- Chinese ash (Fraxinus chinensis)
- green ash (Fraxinus pennsylvanica)
- white ash (Fraxinus americana)
Fringetree
- white fringetree (Chionanthus virginicus)
The Pine Family (Pinaceae)
Cedar
- Atlas cedar (Cedrus atlantica)
- cedar of Lebanon (Cedrus libani)
- deodar cedar (Cedrus deodara)
Douglas-fir
- Douglas-fir (Pseudotsuga menziesii)
Fir
- Fraser fir (Abies fraseri)
- grand fir (Abies grandis)
- nikko fir (Abies homolepis)
- noble fir (Abies procera)
- Nordmann fir (Abies nordmanniana)
- white fir (Abies concolor)
Hemlock
- eastern hemlock (Tsuga canadensis)
- Japanese hemlock (Tsuga diversifolia)
- western hemlock (Tsuga heterophylla)
Larch
- European larch (Larix decidua)
- Japanese larch (Larix kaempferi)
- western larch (Larix occidentalis)
Pine
- Austrian pine (Pinus nigra)
- eastern white pine (Pinus strobus)
- Korean pine (Pinus koraiensis)
- lacebark pine (Pinus bungeana)
- limber pine (Pinus flexilis)
- loblolly pine (Pinus taeda)
- pitch pine (Pinus rigida)
- Ponderosa pine (Pinus ponderosa)
- red pine (Pinus resinosa)
- Scots pine (Pinus sylvestris)
- shortleaf pine (Pinus echinata)
Spruce
- black spruce (Picea mariana)
- Colorado blue spruce (Picea pungens)
- Engelmann spruce (Picea engelmannii)
- Norway spruce (Pieca abies)
- oriental spruce (Picea orientalis)
- Serbian spruce (Picea omorika)
- Siberian spruce (Picea obovata)
- white spruce (Picea glauca)
The Rose Family (Rosaceae)
Cherry
- black cherry (Prunus serotina)
- Higan cherry (Prunus subhirtella)
- Japanese cherry (Prunus serrulata)
- sweet cherry (Prunus avium)
- Yoshino cherry (Prunus x yedoensis)
Crabapple
- crabapple (Malus spp.)
Hawthorn
- hawthorn (Crataegus spp.)
Mountain-ash
- mountain-ash (Sorbus aucuparia)
Pear
- Bradford pear (Pyrus calleryana ‘Bradford’)
Quince
- Chinese quince (Pseudocydonia sinensis)
Serviceberry
- serviceberry (Amelanchier spp.)
The Rue Family (Rutaceae)
Corktree
- Amur corktree (Phellodendron amurense)
Evodia
- Korean evodia (Tetradium daniellii)
Hoptree
- common hoptree (Ptelea trifoliata)
The Snowbell Family (Styracaceae)
Silverbell
- Carolina silverbell (Halesia carolina)
The Soapberry Family (Sapindaceae)
Buckeye
- bottlebrush buckeye (Aesculus parviflora)
- Ohio buckeye (Aesculus glabra)
- yellow buckeye (Aesculus flava)
Goldenrain tree
- Chinese goldenrain tree (Koelreuteria bipinnata)
- panicled goldenrain tree (Koelreuteria paniculata)
Horsechestnut
- horsechestnut (Aesculus hippocastanum)
- red horsechestnut (Aesculus x carnea)
Maple
- Freeman maple (Acer x freemanii)
- Japanese maple (Acer japonicum)
- Norway maple (Acer platanoides)
- paperbark maple (Acer griseum)
- red maple (Acer rubrum)
- silver maple (Acer saccharinum)
- smooth Japanese maple (Acer palmatum)
- sugar maple (Acer saccharum)
- sycamore maple (Acer pseudoplatanus)
- trident maple (Acer buergeranum)
- vine maple (Acer circinatum)
- boxelder (Acer negundo)
The Sweetgum Family (Altingiaceae)
Sweetgum
- sweetgum (Liquidambar styraciflua)
The Sycamore Family (Platanaceae)
Planetree
- oriental planetree (Platanus orientalis)
Sycamore
- American sycamore (Platanus occidentalis)
The Tea Family (Theaceae)
Stewartia
- Japanese stewartia (Stewartia pseudocamellia)
The Trumpet Creeper Family (Bignoniaceae)
Catalpa
- northern catalpa (Catalpa speciosa)
The Walnut Family (Juglandaceae)
Butternut
- butternut (Juglans cinerea)
Hickory
- pignut hickory (Carya glabra)
- shagbark hickory (Carya ovata)
- shellbark hickory (Carya laciniosa)
Walnut
- black walnut (Juglans nigra)
- Japanese walnut (Juglans ailantifolia)
Wingnut
- Chinese wingnut (Pterocarya stenoptera)
The Willow Family (Salicaceae)
Aspen
- bigtooth aspen (Populus grandidentata)
- quaking aspen (Populus tremuloides)
The Yew Family (Taxaceae)
Yew
- yew (Taxus spp.)