Diablo Ninebark vs European Hazelnut - TreeTime.ca

Diablo Ninebark vs European Hazelnut

Corylus avellana

Physocarpus opulifolius Diablo

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European Hazelnut
Diablo Ninebark

European Hazelnut is a large shrub that is native to Europe. It is known for its edible nuts that ripen in late summer to early fall. The nuts can be eaten raw or roasted and have a sweet, earthy flavour. Nut production can start as early as 2-3 years but typically takes until at least 4 years for significant yields.

Catkins appear in late winter to early spring and as they release pollen it attracts bees and other pollinators. Since male and female flowers bloom at different times, multiple shrubs will have to be planted for cross pollination. It is recommended to plant European Hazelnut with other hazelnut varieties such as Beaked Hazelnut, Frank, Yamhill, and York. Planting with other varieties will increase nut production.

Diablo Ninebark is a small, low maintenance, multi-stemmed shrub, that is used to add texture or color to any yard. This plant grows dark purple leaves in the spring and grows slightly faster than Common Ninebark. It features flaky red to brown bark, clusters of white flowers, and long, maple-like leaves. Diablo Ninebark can make a dense and colorful hedge, or it can be an attractive ornamental by itself.

European Hazelnut Quick Facts

Diablo Ninebark Quick Facts

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Zone: 4a
Zone: 3a
Height: 5 m (16 ft)
Height: 2.4 m (8 ft)
Spread: 4 m (12 ft)
Spread: 1.8 m (6 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal
Moisture: dry, normal
Growth rate: medium
Growth rate: fast
Life span: medium
Life span: short
Suckering: medium
Suckering: low
Maintenance: medium
Maintenance: medium


Foliage: reddish-purple
Fall colour: yellow
Bark: brown to red, exfoliating
Flowers: white
Berries: red
Nuts: woody shelled with thin brown skin
Flavor: sweet, with an earthy taste
Harvest: late summer - early fall
Seeds: inflated seed capsules
Hybrid: no
Hybrid: no
Catkins: yes
Catkins: no


Other Names: cobnut, common filbert, common hazelnut, european filbert, european hazel
Other Names: eastern ninebark, purple ninebark