Yellow leaves on a rose plant can take away from the beauty of its blossoms and impact the plant's health. In late autumn, yellowing may be a natural part of the plant's life cycle. Older leaves might ...

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 ...

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 ...

The rose is a favourite addition to a garden, and is fairly easy to grow, but you might just be asking yourself 'why are my rose leaves turning yellow'? If so, you're not the first. After all, as ...

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 ...

Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

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 ...

04:00, Sat, Aug 9, 2025 Updated: 16:05, Tue, Aug 12, 2025 Rose black spot is a fungal disease of roses, the most common, serious and devastating that damages these flowers. The symptoms of this ...