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 ...

Black spot disease can devastate rose gardens, but applying mulch in November creates a protective barrier that helps prevent ...

Black spot is the most common disease roses face in the autumn and can cause the plant to lose all its leaves and not produce ...

Q: I planted these Knockout roses two years ago. They did fine for a while, but this year they have struggled. I treated them with a name-brand insecticide and fertilized and watered them as well, but ...

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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 ...

CORVALLIS, Ore. – Charmingly mild weather this winter 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 ...