Betula pendula subsp. pendula 'Spider Alley'PBR

'Spider Alley' is a small, deciduous tree to 8m tall characterised by its twisted stems and branches. Bright green, diamond-shaped leaves turn yellow in autumn and ornamental brownish catkins are borne in early spring. Silvery-white peeling bark is patched with pink and red on younger branches; the bark turns a purer white with dark fissures as the tree ages