The fungal spores that cause black spots to germinate in the springtime are dispersed by splashing water from rain and watering, as well as wind that transports spores. Removing … See more

While there is no cure for infected leaves, black spot can be prevented. Existing spores overwinter on infected fallen leaves and stems, waiting for favorable conditions. The spore… See more

True for avoiding any plant disease, a healthy, vigorous rose bush is less susceptible to problems. Take good care of your rose bushby following these guidelines:… See more

Cut back roses with black spot. The disease starts spreading within 10 days of the first symptoms.Spores spread by water. They remain on leaves and stems and reinfect wh… See more