Roses are one of the most popular landscape plants, but many homeowners are unfamiliar with the most common rose problems. Rose slug, blackspot, rose rosette and powdery mildew can all have either ...

Nothing takes the peace and relaxation out of stopping to smell the roses quite like an unsightly fungal disease. Rose bushes (Rosa), even those that claim to be resistant, often suffer from black ...

Roses do not have thorns; they have prickles. But there ARE “thorns” in the rose garden. Their names are botrytis, black spot, rust, downy mildew, anthracnose and cerospora leaf spot. They are all ...

Remember when you would walk into the classroom and your teacher would announce a pop quiz? Sometimes this felt like punishment, but the quizzes were often a great learning tool. Now’s your chance to ...

Just as your roses reach their peak, a common fungal foe may be lurking, ready to sabotage their vibrant display. Black spot, easily identified by the dark brown or black blotches that appear on ...

Question: I’ve had many rose bushes for years. They look great during the year, but every summer I begin to see black spots developing on all of them. By mid- to late summer most of the leaves have ...

A killer disease has set its sights on America's most beloved landscape shrub, the rose. Even the seemingly invincible Knock Out roses, with their reputation for superior pest and disease resistance, ...

Achieving beautiful, healthy roses is a dream many gardeners have. These iconic flowers add beauty and color anywhere in the landscape, whether you want to boost curb appeal or punch up your backyard ...

Roses are a strong favourite of gardeners thanks to their impressive growth and elegant blooms. Unfortunately, they're quite susceptible to diseases and stress, which is why you may have seen ...

Answer: Mildew is definitely present on your rose bush leaves. Mildew is a fungal disease that lives on dead leaves or the soil and can persist for years. To prevent the mildew continuum, make sure ...

*Keeping rose plants watered when needed to prevent them from becoming stressed Fungicide sprays prevent infection, they can’t cure. Use copper or other fungicide recommended for roses, such as ...