Boxwood infested with powdery mildew

Powdery mildew on the boxwood

There are two different variants of powdery mildew, which typically always show up in certain weather conditions. Both can be controlled well with fungicides approved for the private garden as well as with household remedies. Cut Return the infected areas to the healthy wood and spray the infected plant several times with field horsetail brew or a mixture of whole milk and water.

Powdery mildew

This form is also known as "fair weather powdery mildew" because it only develops in dry and warm months. A typical characteristic is the white, floury-looking mushroom lawn on the top and bottom of the leaves.

Wrong mildew

The wrong one mildew on the other hand, loves warm, humid weather and shows itself first by a white coating, later by a grayish fungal lawn on the underside of the leaves. These are speckled with yellowish spots on the surface.