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River Alder vs Mock Orange

Alnus incana

Philadelphus coronarius

River Alder
Mock Orange

River Alder is a large shrub or small tree with a multi-stemmed, spreading habit. A shrub native to the boreal forests across North America, River Alder is an excellent tree for soil stabilization near rivers and creeks.

This tree is recognizable by its small brown seed cones and smooth, silver-grey bark with white horizontal lenticels. Unlike Green Alder, River Alder's seed pods are long and hang off short branches.

Unlike the other alder varieties, River Alder is attractive enough to be included in riverside plantings by municipal and provincial park organizations.

Mock Orange's white flowers look and smell like those of the orange, with a hint of jasmine in the scent. It is an excellent ornamental shrub. People love the contrast between its flowers and dark green leaves.

Mock Orange is suitable for planting alone or in groups as a hedge or privacy screen.

RIVER ALDER QUICK FACTS

MOCK ORANGE QUICK FACTS

Zone: 1a
Zone: 4a
Height: 8 m (25 ft)
Height: 3 m (11 ft)
Spread: 4 m (12 ft)
Spread: 3 m (11 ft)
Moisture: normal, wet
Moisture: any
Light: full sun
Light: partial shade, full sun
Fuzz/fluff: yes
Catkins: yes
Fall colour: yellow to orange
Flowers: fragrant large white flowers bloom in may and early june
Bark: dark brown, shreds with age
Growth rate: fast
Growth rate: medium
Life span: short
Life span: medium
Suckering: none
Pollution tolerance: medium







Ships To Canada: yes
Ships to USA: no
Ships To Canada: yes
Ships to USA: yes