This common disease can damage your plant without early treatment ...

CORVALLIS – Mild winter weather will most likely coax roses into bloom early, which means dealing with the usual diseases and pests earlier, too. When it comes to one of the country’s most popular ...

If it's your rose bush rather than your dog that you're calling "spot," then it's time for action. And getting rid of blackspot -- the disease that's marring your roses -- need not mean dowsing the ...

Roses are celebrated for their beautiful flowers, but gardeners need to stay alert during fall when a destructive disease can emerge, possibly stopping the plants from blooming again. Louis Hooft, a ...

If it's your rose bush rather than your dog that you're calling "spot," then it's time for action. And getting rid of blackspot — the disease that's marring your roses — need not mean dowsing the ...

Yellowing rose (Rosa) leaves with black spots are characteristic of black spot of rose. Photo from the Missouri Botanical Garden. Q • I just planted some roses, and a lot of the leaves are getting ...

A. You have described a common fungus disease for roses called "black spot." It occurs at times of high temperatures, high humidity and overhead watering in susceptible plants. Leaves will develop ...

Black spot on roses is more than just an ugly nuisance; it also can weaken your rose. The fungus hammers susceptible varieties, but it sometimes bothers even disease-resistant varieties. To reduce ...