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 ...

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 ...

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 ...

Rust disease could affect roses at a higher than normal rate after the relatively warm, dry winter. (Jay W. Pscheidt) Charmingly warm weather coaxed roses into bloom early this year, which means ...

Checks and balances occur not only in our government, but also in gardens that are rich in beneficials and lush in plant diversity. These gardens benefit from a harmonious interplay of checks and ...

Q: Last year, my roses had a case of rust and some insect issues, so I treated them with Neem Oil. Afterward, all of my rosebushes lost all of their leaves and they didn’t come back until later in the ...

Q: While deadheading our rose bushes I found what appears to be rust. What causes this and is there anything I can do to prevent it? - Cliff Bjornstad, Fargo A: Rust is a fungus disease and by your ...

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 ...

While many gardeners are relishing the warm weather, it's crucial to keep a close eye on roses as humid conditions can foster the spread of diseases like rust. Rust is a unique fungal infection that ...