From July to present yourself places roses without leaves. Behind this lies the problem mostly black spot. Of this fungal disease in addition to the Hybrid teas and the increasingly popular shrub roses and climbing roses are affected.At first the typical ground-leaves, dark to black, star-shaped spots appear on the leaf surface. In the course of the disease, the leaves turn yellow and fall off, stick commended the roses until midsummer. Leafless plants have little chance of new blooms, the shoots can not form a timber and not mature, resulting in a decreased frost resistance with the result.
