Black spot is a serious fungal disease named after the big dark splotches that can appear on rose leaves once the plant is ...

As for diseases, the best strategy is to start with disease-resistant cultivars. “Buy ‘fisherman roses,’” Pscheidt said. “The ...

Avoid crowding plants or watering them in the evening, and rotate edibles year to year. Problem: Black spot is a fungal ...

The symptoms of rose black spot and the tobacco mosaic virus (TMV) are shown below. dig up and destroy infected plants wash their hands after handling infected plants wash tools that have come ...

Black spot is a serious fungal disease named after the big dark splotches that can appear on rose leaves once the plant is infected. It can only thrive in warm, rainy conditions, so it tends to be ...