Trees of the Hamilton Area

This list is a selection of the most common and significant trees found in the Hamilton Region, excluding shrubs (with a trunk diametre of less than 10 cm). For a complete list of all trees and shrubs, refer to the Hamilton-Wentworth Natural Areas Inventory.



Rare in Hamilton Region: known records in 5 or fewer sites (R)
Uncommon: known records in 6 to 10 sites (UC)
Extirpated: species historically present but not reported since 1950 (EX)
Introduced (I)
Plants native to North America but introduced to the Hamilton Region (*I)
Unclear native status: presence of both native and non-nativesubspecies (not easily distinguished) (I/N)


Nationally rare or at risk (N): designated as vulnerable, threatened or endangered in Canada by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) or recommended for such designation

Provincially rare or at risk (P): designated as rare, threatened (thr.) or endangered on Ontario by the OMNR Wildlife Branch or recommended for such designation

Pine Family
Balsam Fir, UC
Eurpean Larch, I
Norway Spruce, I
White Spruce, *I
Black Spruce, R
Blue Spruce, I
Jack Pine, *I
Austrian Pine, I
Red Pine, I/N
White Pine
Scots Pine, I
Eastern Hemlock

Cypress Family
Red Cedar
White Cedar

Willow Family
White Poplar, I
Balsam Poplar
Eastern Cottonwood
Large-toothed Aspen, *I
Trembling Aspen
White Willow, I
Black Willow

Walnut Family
Bitternut Hickory
Sweet Pignut Hickory, R, NP-rare
Shagbark Hickory
Black Walnut

Birch Family
Black Alder, I
Yellow Birch
White Birch
Ironwood, Hop-hornbeam

Beech Family
American Chestnut, UC, NP – thr.
American Beech
White Oak
Swamp White Oak
Hill’s Oak, R, NP – rare
Bur Oak
Chinquapin Oak
Red Oak
Black Oak, UC

Elm Family
Hackberry, R
White Elm, American Elm
Siberian Elm, I
Red Elm
Rock Elm

Mulberry Family
White Mulberry, I
Red Mulberry, R, NP-thr.

Magnolia Family
Tulip Tree, R, RO, NP-rare

Laurel Family

Plane- tree Family

Rose Family
Sweet Cherry, I
Sour Cherry, I
Perfumed Cherry, I
Wild Black Cherry
Pear, I
European Mountain Ash, I
Showy Mountain Ash, R, OR

Pea Family
Pea-tree, I
Honey Locust, *I
Black Locust, I

Quassia Family
Tree-of-Heaven, I

Maple Family
Manitoba Maple
Norway Maple, I
Sycamore Maple, I
Red Maple
Silver Maple
Black Maple
Sugar Maple
Mountain Maple

Linden Family
American Basswood

Tupelo or Sour-Gum Family
Black-gum, R, NP-rare

Olive Family
White Ash
Black Ash
Red Ash, Green Ash

Abies balsamea
Larix decidua
Larix laricina
Picea abies
Picea glauca
Picea marinana
Picea pungens
Pinus banksiana
Pinus nigra
Pinus resinosa
Pinus strobus
Pinus sylvestris
Tsuga canadensis

Juniperus virginiana
Thuja occidentalis

Populus alba
Populus balsamifera
Populus deltoides
Populus grandidentata
Populus tremuloides
Salix alba
Salix nigra

Carya cordiformis
Carya glabra
Carya ovata
Juglans cinerea
Juglans nigra

Alnus glutinosa
Betula alleghaniensis
Betula papyrifera
Carpinus caroliniana
Ostrya virginiana

Castanea dentata
Fagus grandifolia
Quercus alba
Quercus bicolor
Quercus ellipsoidalis
Quercus macrocarpa
Quercus muehlenbergii
Quercus rubra
Quercus velutina

Celtis occidentalis
Ulmus americana
Ulmus pumila
Ulmus rubra
Ulmus thomasii

Morus alba
Morus rubra

Liriodendron tulipifera

Sassafras albidum

Platanus occidentalis

Crataegus sp.
Prunus avium
Prunus cerasus
Prunus mahaleb
Prunus serotina
Pyrus communis
Sorbus aucuparia
Sorbus decora

Caragana arborescens
Gleditsia triancanthos
Robinia pseudo-acacia

Ailanthus altissima

Acer negundo
Acer platanoides
Acer pseudoplatanus
Acer rubrum
Acer saccharinum
Acer saccharum ssp. nigrum
Acer saccharum ssp. Saccharum
Acer spicatum

Tilia americana

Nyssa sylvatica

Fraxinus americana
Fraxinus nigra
Fraxinus pennsylvanica