Trees🌿 Native to the NetherlandsVery hardy — tolerates frost down to -25°C

Common Hornbeam

Carpinus betulus

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Common Hornbeam (Carpinus betulus) is an originally native, deciduous tree of species-rich deciduous forests, forest edges, hedgerows, coppice woods, and old hedges. The species is recognizable by its smooth grey, often 'muscular' trunk and pleated leaves with a double-serrated margin. Hornbeam tolerates shade and heavy pruning well, making it suitable as a standalone tree, espalier, topiary, or dense native hedge. In April and May, male and female catkins appear simultaneously with the young leaves. The flowers are wind-pollinated and do not produce nectar. After flowering, small nutlets with three-lobed, leaf-like wings develop. These ripen in autumn and can remain on the tree until after leaf fall. Hornbeam grows best on moderately moist, nutrient-rich, and preferably humic loam or clay soil, but tolerates temporary drought once well-established.

Year calendar

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
🌸Blooms
🐝Provides nectar
🍓Bears fruit
🍂Has autumn colour

Pruning period

✂️Best pruning period: Aug–Sep

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
✂️ Pruning period

Best pruning period

Prune a Hornbeam hedge once a year in August or early September to keep it dense and neat. A standalone tree requires little pruning; remove only dead, damaged, or crossing branches during the winter dormancy. Avoid heavy pruning in the spring due to the rising sap flow, and always check a hedge for active bird nests before pruning.

Botanical profile

Site & soil

Sun, Half shade, Shade

Soil type: Sand, Loam, Clay

Moisture need: Moderately moist, Moist, Dry

pH: Slightly acidic (5.5–6.5), Neutral (6.5–7.5), Chalky (>7.5)

Nutrient richness: Moderately nutrient-rich, Nutrient-rich

Humus content: Moderately humus-rich, Humus-rich

Water drainage: Well draining, Moisture-retentive

Appearance & season

Mature height: 1500-3500cm

Bloom: Apr-May

Autumn colour: In autumn, the leaves turn yellow to golden yellow, later becoming yellowish-brown. In regularly pruned hedges, many dried brown leaves remain on the branches throughout the winter.

Properties

Salt sensitive: Yes

Edible: No

Scent: Flower scent: no distinct fragrance. Hornbeam is wind-pollinated and does not attract bees, bumblebees, or other pollinators with nectar or a strong floral scent.

Ecological value

Hornbeam is a valuable host plant for the caterpillars of various moths and micro-moths. Leaf miners, beetles, true bugs, aphids, and other insects also utilize the leaves, buds, bark, and wood. These insects, in turn, provide food for songbirds, bats, and other insectivores. The small nutlets are eaten in autumn by finches, tits, and small mammals. A dense Hornbeam hedge provides nesting sites, resting places, and protection for birds and small animals. Pruned hedges often retain some of their dried leaves throughout winter, providing continued shelter. Older trees also offer habitat for mosses, lichens, fungi, and invertebrates.

Food web & Biodiversity

🐛 Caterpillars & mothsExtremely useful

🐝 Bees & bumblebeesLimited

🪰 HoverfliesLimited

🦋 ButterfliesLimited

🪲 Beetles & insectsExtremely useful

🐦 BirdsExtremely useful

🐿️ MammalsUseful

🐞 Other animalsVery useful

Hornbeam is a host plant for various moths and other leaf-eating insects, including the buff-tip, Hebrew character, and winter moth. These insects provide food for birds and other insectivores. The nut-like fruits are consumed by birds and small mammals. The dense crown or hedge offers excellent nesting opportunities, though the wind-pollinated flowers do not produce nectar and thus have little direct value for pollinators.

Distribution in the Netherlands