Round Leaf Hawthorn vs Red Alder - TreeTime.ca

Round Leaf Hawthorn vs Red Alder

Alnus rubra

Crataegus chrysocarpa (Crataegus rotundifolia)

CUSTOM GROW

Red Alder
Round Leaf Hawthorn

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.

Getting its name from rounded, toothed leaves, the Round Leaf Hawthorn is a winter hardy shrub that grows small, red, berry-like fruits.

Commonly used for landscaping, this shrub can also be found along stream banks and in wooded areas. Caution is advised when handling the Round Leaf Hawthorn, as it can have sharp thorns approximately 1" long.

Red Alder Quick Facts

Round Leaf Hawthorn Quick Facts

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Zone: 5b
Zone: 2a
Height: 15 m (50 ft)
Height: 3 m (10 ft)
Spread: 9 m (30 ft)
Spread: 3 m (10 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal, wet
Moisture: normal, wet
Growth rate: fast
Growth rate: slow
Life span: medium
Life span: long
Growth form: upright, rounded to conical
Spreading: seeds - medium, stump sprouting - medium
Suckering: none


Foliage: round, serrated
Bark: smooth, grey
Flowers: showy white
Fruit: small red berries
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


Native to: BC
Native to: ON
Other Names: oregon alder, pacific coast alder, western alder