These are BARE ROOTED plants which can be planted from the end of October until May and will be dispatched as soon as the weather turns cold and they become dormant.The dispatch date depends on the Autumn temperature and varies from year to year. a species of willow (Salix) native to Europe and western Asia.It is a multistemmed shrub growing to between 3-6 m (rarely to 10 m) tall. Growing Details: Common Name: Willow Genus: Salix Species: viminalis Cultivar: 'Osier' Skill Level: Beginner Exposure: Full sun, Partial shade Hardiness: Hardy Soil type: Clay/heavy, Moist, Boggy Height: 800cm Spread: 600cm Time to take cuttings: December to February Description: It has long, erect, straight branches with greenish-grey bark. The leaves long and slender, 10-25 cm long but only 0.5-2 cm broad; they are dark green above, with a silky grey-haired underside. The flowers are catkins, produced in early spring before the leaves; they are dioecious, with male and female catkins on separate plants. The male catkins are yellow and oval-shaped; the female catkins are longer and more cylindrical; they mature in early summer when the fruit capsules split open to release the numerous minute seeds.