Russian Olive vs Shagbark Hickory - TreeTime.ca

Russian Olive vs Shagbark Hickory

Carya ovata

Elaeagnus angustifolia

Shagbark Hickory
Russian Olive

Shagbark Hickory is a unique tree both for its looks and uses. Its bark peels into long thin vertical strips giving it a shaggy appearance. This and its golden fall leaves make it a gorgeous looking tree. This species produces tasty hickory nuts once mature. Hickory smoke is also treasured for curing meats and its generally fantastic smell.

This tree is best planted away from any buildings due to a deep taproot and large size. Many people remark on the unusual taproot for this tree that can be over 6 feet deep while the plant only has 2 feet of top growth.

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.

Shagbark Hickory Quick Facts

Russian Olive Quick Facts

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Zone: 4a
Zone: 2a
Height: 21 m (70 ft)
Height: 9 m (30 ft)
Spread: 12 m (40 ft)
Spread: 5 m (15 ft)
Light: partial shade, full sun
Light: full sun
Moisture: any
Moisture: dry, normal
Growth rate: slow
Growth rate: medium
Life span: long
Life span: medium
Suckering: high
Suckering: none


Foliage: silver scales
Bark: shaggy looking bark peels vertically in long strips
Flowers: yellow
Fruit: silver-yellow, olive-like
Nuts: similar to pecans
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


In row spacing: 1.8 - 2.4 m (6 - 8 ft)
Between row spacing: 5 m (16 ft)
Native to: ON, QC
Other Names: carolina hickory, scalybark hickory, shellbark hickory, upland hickory
Other Names: silver berry oleaster, wild olive