Overview

Juglans regia is a tree in the genus Juglans, part of the Juglandaceae family, with deciduous foliage. It typically grows around 20.0 m tall. Juglans regia grows best in full sun, and tolerates most soils. Its UK hardiness is rated H7. It is native to Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Transcaucasus, Türkiye and West Himalaya.

About

Juglans regia, known by various common names including the common walnut, English walnut, or Persian walnut amongst other names, is a species of walnut. It is native to Eurasia in at least southwest and central Asia and southeast Europe, but its exact natural area is obscure due to its long history of cultivation.

Wikipedia contributors, CC BY-SA 4.0 — Juglans regia

About the genus

Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts. All species are deciduous trees, 10–40 metres (33–131 ft) tall, with pinnate leaves 200–900 millimetres (7.9–35.4 in), with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts (Pterocarya), but not the hickories (Carya) in the same family.

Wikipedia contributors, "Juglans", CC BY-SA 4.0 — Juglans

Growing conditions

Best soil and position for Juglans

Sunlight

Full sun

Soil type

Sandy, Loamy, Clay

Soil moisture

Moist but well-drained

UK hardiness

H7

Plant details

Juglans regia size, habit and characteristics

Plant type

Tree

Foliage

Deciduous

Height

20.0 m

Native to

Afghanistan, Iran, Iraq, Lebanon-Syria, North Caucasus, Pakistan, Transcaucasus, Türkiye, West Himalaya

Frequently asked questions