This fungal disease attacks the leaves and stems of box plants, but leaves the roots unaffected. Related plants like Pachysandra and Sarcococca may also be attacked.
Often the first signs of infection are; Leaves turning brown and falling prematurely, resulting in bare, leafless stems. These stems will show signs of dieback and black markings. On the undersides of the leaves white felt-like coverings may be seen, especially in wet conditions. Spores can be spread from plant to plant, on soils, animals and insects and through water splash.
Now you know what the problem is, and the damage it is doing, don't let your plant suffer.
For specific problems try one of our specialists...
Royal Botanic Gardens, Kew
Richmond, United Kingdom
Lalbagh Botanical Garden
Bangalore, India
Kenrokuen Garden
Kanazawa, Ishikawa, Japan
The New York Botanical Garden
New York, United States
Gardens of Versailles
Versailles, France
Keukenhof
Lisse, Netherlands