In late summer or fall, Cercospora fungus causes brown spots on hydrangea leaves. The plant looks unsightly but usually recovers from the disease. Drip irrigation, good air circulation, and removal of ...

Brown spots on hydrangea leaves and flowers are rarely fatal to hydrangea plants. However, these unsightly blemishes can impact the look of your hydrangeas and they may signal that your plants are ...

Gray leaf spot is a widespread fungal disease in corn, responsible for a 23-million-bushel yield loss in the U.S. in 2024. 1 The challenge with controlling gray leaf spot isn’t just deciding whether ...

Take a look outside, and you might see that your crape myrtle’s leaves are turning shades of yellow, orange and red and falling to the ground. Is this a sign that autumn is near? Not quite. This time ...

Since first being confirmed in northwest Ohio at the end of the 2018 growing season, tar spot of corn has become an annual ...

Black spot disease is the "most common and troublesome" affliction affecting rose bushes, and gardeners are being urged to ...

Key Points Fungal diseases may lead to holes, usually after an initial discoloration of leaf tissue.Spider mites, aphids, 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 ...