Sorrel Tree, Sourwood, Tree sourwood
Oxydendrum arboreum

Family: Ericaceae

What it is like

A deciduous tree. It grows 5-20 m tall. The tree is broadly cone shaped. The bark is thick and grey-brown. It is deeply furrowed. They leaves are oblong and 20 cm long by 7.5 cm wide. They taper to a fine point. They have very fine teeth. They are glossy dark green and smooth above and slightly hairy underneath. They turn red-yellow or purple in autumn. The leaves are long and sour tasting. The flowers are small and white. They are urn shaped and have a scent. They occur in large upright clusters. They are at the ends of the shoots. The fruit is a woody brown capsule.

There is one Oxydendrum species.

Where it is found

It is a temperate plant. It is native to eastern North America. It grows in woods and by streams. It needs humus rich, acid soil. It suits hardiness zones 5-9. Arboretum Tasmania.

Countries/locations it is found in

Australia, Britain, Europe, North America (country/location of origin), Tasmania, USA

How it is used for food

The young tender leaves are eaten. They are sour. The plant is the source of a sweet honey.

Edible parts

Leaves, honey

How it is grown

It can be grown from seed or softwood cuttings.

Its other names

Local names

Lily-of-the-valley-tree

Synonyms

Andromeda arborea L.;