Round Leaf Hawthorn vs European Hazelnut - TreeTime.ca

Round Leaf Hawthorn vs European Hazelnut

Crataegus rotundifolia (Crataegus cyclophylla)

Corylus avellana

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Round Leaf Hawthorn
European Hazelnut

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.

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.

Round Leaf Hawthorn Quick Facts

European Hazelnut Quick Facts

Zone: 2a
Zone: 4a
Height: 3 m (10 ft)
Height: 5 m (16 ft)
Spread: 3 m (10 ft)
Spread: 4 m (12 ft)
Light: partial shade, full sun
Light: partial shade, full sun
Moisture: normal, wet
Moisture: normal
Growth rate: slow
Growth rate: medium
Life span: long
Life span: medium
Suckering: none
Suckering: medium
Maintenance: medium


Foliage: round, serrated
Flowers: showy white
Fruit: small red berries
Nuts: woody shelled with thin brown skin
Flavor: sweet, with an earthy taste
Harvest: late summer - early fall
Hybrid: no
Hybrid: no
Catkins: no
Catkins: yes


Other Names: cobnut, common filbert, common hazelnut, european filbert, european hazel