Bur Oak vs Russian Olive - TreeTime.ca

Bur Oak vs Russian Olive

Elaeagnus angustifolia

Quercus macrocarpa

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Russian Olive
Bur Oak

Russian Olive is a medium-sized deciduous tree that has attractive silvery coloured foliage with small yellow flowers that emit a fragrant sweet smell.

It is drought and salt tolerant, and works well as a shelterbelt species. Russian Olive can also be used to combat erosion.

Note: although Russian Olive is planted as an attractive boulevard tree in many northern areas, in warmer areas it can invade watersheds and is considered invasive. Please do some research and plant the right tree in the right place.

Bur Oak has a wide distribution but is one of the only oaks that will grow well on the prairies. Bur Oak produces deeply lobed, dark green leaves that turn golden yellow to brown in the fall.

Its acorns are round and half enclosed by a mossy fringed cup.

Although slower growing, this long lived tree eventually becomes a popular large ornamental tree for driveways, parks, and the front of industrial buildings. Popular as a memorial or dedication tree.

Note: Most Oak species can be considered toxic for many animals.

Russian Olive Quick Facts

Bur Oak Quick Facts

Zone: 2a
Zone: 2b
Height: 9 m (30 ft)
Height: 20 m (66 ft)
Spread: 5 m (15 ft)
Spread: 8 m (28 ft)
Moisture: dry, normal
Moisture: dry, normal
Light: full sun
Light: full sun
Hybrid: no
Hybrid: no
Catkins: no
Catkins: yes
Fall colour: yellow to golden brown
Flowers: yellow
Nuts: small acorns
Growth rate: medium
Growth rate: slow
Life span: medium
Life span: long
Suckering: none
Suckering: low

In row spacing: 1.8 - 2.4 m (6 - 8 ft)

Between row spacing: 5 m (16 ft)


Other Names: silver berry oleaster, wild olive
Other Names: blue oak, burr oak, mossycup oak, scrub oak