Common Hackberry vs Red Alder - TreeTime.ca

Common Hackberry vs Red Alder

Alnus rubra

Celtis occidentalis

CUSTOM GROW

Red Alder
Common Hackberry

Red Alder is a fast-growing deciduous tree native to western North America. Through its nitrogen-fixing roots and nitrogen-rich leaf litter, Red Alder improves soil fertility and supports the growth of surrounding plants. This makes it especially valuable on disturbed sites following logging, construction, or fire. A classic pioneer species, it often colonizes bare ground and enhances conditions for longer-lived conifers to follow.

Red Alder stabilizes soils on streambanks and disturbed slopes, reducing erosion and aiding restoration. It also supports wildlife: birds and small mammals eat the seeds and buds, deer and elk browse the foliage, and bees are drawn to the pollen-rich catkins in spring.

Red Alder also has commercial importance, with its strong yet workable wood widely used for furniture, cabinetry, veneer, and pulp. The tree takes its name from the rusty-red color the bark turns when cut or bruised.

The Common Hackberry is a medium-sized deciduous tree that resembles the American Elm but is immune to Dutch Elm Disease. They are versatile and can adapt to a variety of growing conditions.

It produces purple-red, berry-like fruit with a large seed in the center. Both the sweet flesh, which tastes similar to dates, and the crunchy seed are edible. The fruit remains on the tree throughout the winter, offering a valuable food source for birds and other wildlife.

The Common Hackberry can also be a great addition to a pollinator garden. The tree itself is a host for the larvae of several butterfly species and the flowers provide a source of pollen and nectar.

Red Alder Quick Facts

Common Hackberry Quick Facts

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Zone: 5b
Zone: 2b
Height: 15 m (50 ft)
Height: 25 m (82 ft)
Spread: 9 m (30 ft)
Spread: 7 m (24 ft)
Light: partial shade, full sun
Light: full sun
Moisture: normal, wet
Moisture: any
Growth rate: fast
Growth rate: medium
Life span: medium
Life span: long
Growth form: upright, rounded to conical
Spreading: seeds - medium, stump sprouting - medium
Suckering: high


Bark: smooth, grey
Berries: black, edible
Flavor: sweet
Harvest: late fall to winter
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


Native to: BC
Native to: MB, ON, QC
Other Names: oregon alder, pacific coast alder, western alder
Other Names: american hackberry, beaverwood, false elm, nettle tree, northern hackberry