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 ...

As with all plants, roses can succumb to many diseases and pests. Unfortunately, there are common diseases that target these hugely popular flowering shrubs, which can cause the plants to suffer and ...

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 ...

Roses are a beautiful addition to any garden. They come in a gorgeous rainbow of colors and exude an intoxicating fragrance that’s impossible to resist. Suffice it to say, there are plenty of reasons ...

As autumn sets in, gardeners run the risk of seeing their once beautiful roses become infected with a fresh wave of black spot. This common fungus thrives in cool, damp weather, and with falling ...

The second week of June can be called the “Days of Whine and Roses,” as gardeners whine about aphids, black spot and roses that fail to bloom. Here in Western Washington I can promise you a rose ...

While there are several fungus diseases that affect roses, the most prevalent problem in the hot humid South is black spot. Left untreated, black spot may cause defoliation, weaken the plant and may ...