Roses have earned a reputation as the temperamental divas of the plant world. It's true that the romantic rascals attract their share of illnesses--but these are easier to conquer than you might think.
There's nothing worse than seeing all of your hard work destroyed by a rose disease or fungus. Roses can be weakened during the winter dormancy and become more susceptible to disease when the growing season begins.Even if the bush survived winter unscathed, spring rains and summer's heat and humidity can open the door to a variety of fungus infections.

Here is a summary of the most common diseases which could pose a threat to your roses.