WebLeaf spotting on hydrangea is mostly caused by the fungus Cercospora and affects most of this family of plants. It is common from summer through fall. The fungus exists in the soil … Web27 apr. 2024 · Powdery mildew causes a white-grey, powdery substance to form on the surface of the leaves. You may also notice a cottony substance growing on the bottom of …
Q&A – What are these spots on my hydrangea? - YouTube
Web20 jul. 2024 · Slow the spread of cercospora by cleaning up fallen leaves and watering your hydrangea at the base. Opening the canopy by thinning up to a third of the branches … Web29 aug. 2024 · Among all plant diseases affecting hydrangea, black spots are the most visible. Basically, there are two types of diseases that infect the flower causing the black … gisleham church suffolk
How to Treat a Black Spot on Hydrangeas Home Guides SF Gate
WebCercospora Leaf Spot, also called Cercospora Hydrangea, is characterized by spots at the base of the plant that are often brown or purple in color. The dots are tiny, with an average dimension of 1/8 to 1/4 inches. On the hydrangea macrophylla, spots can have tan or gray centers and border halos that are brown or purple. The leaf may get ... Web20 jul. 2024 · Purple spots on hydrangea leaves are a good indicator of cercospora leaf spot, a common leaf fungus in these plants. Plants are rarely killed, but spotted leaves may shed prematurely, weakening the plant and reducing viable buds. Web8 apr. 2024 · Lack of water in the soil, burning sun, overfeeding, or disease are the main causes of hydrangea leaves turning brown. To fix brown leaves, water hydrangea when the top 2 inches of soil are dry and provide the plant with dappled sun. Also, avoid fertilizing hydrangea more than 2 to 3 times a year. Keep the garden free of plant debris and make ... gisleham brickworks