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Ailanthus altissima Cultivation | Propagation | General Uses Cultivation Notes: Prefers a light moist soil and a sheltered position[1, 133]. Tolerates drought, poor, dry or wet soils, heavily polluted soils and industrial pollution[200]. Prefers a position in full sun or partial shade[238]. Plants are hardy to at least -15°c[200]. A very ornamental tree which is fast growing when young[1, 7, 14], but is short-lived[229]. The trees send up suckers freely and soon form dense thickets[7, 200, 229]. The plant has become a noxious weed in parts of Australia[238]. The roots are rather aggressive and can cause damage to drainage systems[226]. The plants thrive even when growing in very polluted cities[11, 229] but they do not do well in the north of Britain[98]. Male flowers are malodorous and have potentially allergenic pollen[80, 200]. The crushed leaves are also malodorous[226]. The large leaves have glandular teeth near their base and these release a pungent aroma when pressed[245]. This tree is occasionally cultivated for its wood[149]. This is brittle however, and branches are very liable to break off in the wind[200]. The leaves were once used as a food for silkworms[2], but were found to be unsuitable[7]. This species is notably resistant to honey fungus[88, 200]. Dioecious. Male and female plants must be grown if seed is required. For further Ailanthus altissima gardening information |
