By Jimjack
United Kingdom 
my viburnum tinus has got a green growth on the bark and branches and the leaves are brittle and falling off
14 Aug, 2012
By Jimjack
United Kingdom
my viburnum tinus has got a green growth on the bark and branches and the leaves are brittle and falling off
14 Aug, 2012
Always difficult without a photo but I think this may be Powdery Mildew? As it thrives it kills the leaves which curl and turn brown before dropping from the plant. On the other leaves is there a white or gray powder first?
If it is treat with a fungicide to control the spread of the fungus.
18 Aug, 2012