Ash-leaf maple: Acer negundo
This species native to North America is a member of the maple family (Aceraceae).
The malethat appear in spring are grouped in large pendulous clusters and they are particularly striking. In the wild this deciduous tree can reach a height of 20 m (66 ft). However, less vigorous forms are better suited for growing in containers. For instance, the ‘Flamingo’ variety with green and pink flecked leaves that are completely pink when they first come out has particularly decorative foliage.
Ideally, they need a sunny to partially shaded position. Although maples prefer dampthey do tolerate occasional drying of the root ball. During summer a maple should be given fertilizer every two weeks. Unwanted shoots can be cut back in late autumn and winter. It is propagated from soft cuttings in early summer or varieties may be propagated by grafting (splice grafting or oculation). Although maples are frost-resistant, the containers should be well protected. Besides , maples also suffer from leaf spot and brown spot if the compost is too wet.