When planting roses, choose a good site for a better chance of healthy rose bushes for years to come. Here's why you should ...

Another major selling point of Knockout roses is their resistance to disease. "Black spot is a common problem for roses, causing leaves to fall off," says Reeves. "But Knockouts are highly ...

Black spot disease is a fungal infection that mostly affects roses. The unsightly disease, caused by the fungus Diplocarpon rose, leads to yellowing and premature leaf drop. Unfortunately ...

I just wanted to take a minute and give you an update on my Knockout roses ... Then I went back to BioAdvanced Disease Control for Roses, Flowers, and Shrubs. We did cut them back hard and ...

In humid conditions, black spot disease can spread rapidly, significantly weakening roses and stunting their growth. While black spot won't kill roses outright, it places considerable stress on ...