Betula utilis var jaquemontii www.poppyheadconsultancy.com Birch Betula Jacquemontii White Multi Stem Himalayan Birch Tree 4 5FT Betula Jacquemontii 'Silver Shadow' Himalayan Birch Circa 2m Tall Betula Jacquemontii Single Stem Himalayan Birch Garden Tree 5 6ft. Betula Utilis Jacquemontii is a medium sized deciduous tree with a conical crown and clear white bark on trunk and branches. Leaves oval dark green and drooping, turning yellow in autumn. Male catkins conspicuous in early spring, to 15cm in length Growing Details Common Name: Silver Birch Himalayan Birch Genus: Betula Species: Utilis Skill Level: Beginner Exposure: Full sun, Partial shade Hardiness: Hardy Soil type: Well drained light, Clay heavy, Acidic, Moist, Sandy Height: 2500cm Spread: 1000cm Description Betula can be deciduous trees or shrubs, usually colouring well in autumn and often with striking white, pink, or peeling brown bark; separate male and female catkins open before or with the leaves in spring. Deciduous trees shed their leaves as an active process that evolved to conserve resources and protect the tree from being blown over in the windier winter months. Some birch trees turn yellow due to temperature changes in the summer early autumn. There is nothing to worry about. The trees will re grow the foliage again in the spring time.