The Rowan or Sorbus sargentiana is a slow-growing tree with large, sticky red buds in autumn. In spring, dark green leaves are produced which turn a fiery orange and red in autumn. The white flowers are produced in early summer usually followed by red berries which are quickly eaten by birds.
Daily Archives: 1 September 2010
2 posts
The symptoms to look out for are white-winged insects about 1.5mm long which fly up in clouds from the underside of brassica leaves when disturbed, flat, oval, whitish-green scale-like nymphs are attached to the lower leaf surface and black or greenish-grey sooty moulds can develop on the upper leaf surface on the sticky honeydew excreted by this pest.