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Filbert

Corylus maxima

Also called Giant Filbert

Filbert
Photo: Fritz Geller-Grimm, CC BY-SA 2.5

Filbert (Corylus maxima) is a large deciduous hazel shrub or small tree grown for its large edible nuts and the ornamental purple-leaved form 'Purpurea'. It is easy to grow in cool temperate gardens with full sun and well-drained soil, and it needs a pollinator and winter chill.

Family
Betulaceae (Birch family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water deeply during dry spells, especially in the first years, then let the soil dry slightly between waterings.
Soil
Deep, fertile, well-drained loam; tolerates a range of pH.
Temperature
-25 to 35 °C; needs winter chill and is hardy in cool temperate climates.
How easy
Easy
Safety
Not known to be toxic
Edible
Yes, some parts
Native range
NW. Balkan Pen.
Climate
temperate

About

Corylus maxima, the filbert, is a species of hazel in the birch family. It is native to Eurasia and produces an edible nut.

Where it grows

The species is native to southeastern Europe and southwestern Asia, from the Balkans to Turkey.

Uses

The purple-leaved cultivar C. maxima 'Purpurea' is a popular ornamental shrub in gardens.

Other Corylus plants

American hazelnut · Hazel · Colchian Hazel · Beaked hazelnut · Himalayan hazelnut · Siberian hazelnut · Hazel

Text excerpted from the Wikipedia article Corylus maxima by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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