Q. Is there any way you could help in figuring out what is wrong with our lilac? – C.B. via email. A. Lilacs are quite susceptible to a fungal disease called powdery mildew, which causes a ...

To use neem oil for powdery mildew, mix it with water according to the product’s instructions and spray it thoroughly on affected plants, ensuring coverage on both sides of the leaves. 8. Baking ...

Powdery Mildew Treatment. While removing and destroying all infected plants is the ideal solution, it's not very practical. Fortunately, there are less drastic measures you can take to rid your ...

It creeps into the garden on humid summer nights, coating leaves with ghostly white: powdery mildew. From bee balm to phlox and lilacs to apple trees, hundreds of common garden plants can be ...

You might be noticing powdery mildew (a disease that causes a grayish, powdery film on leaves) in your garden. Common plants that could be affected are lilacs, phlox, bee balm, zinnias and ...

It seems to spring up overnight: Powdery mildew. The splotchy white and gray dust covers the leaves and stems of many of the most popular plants. Woody perennials like lilacs, roses, azaleas ...

Fungicide trouble, lilac worries and rhododendron stress: Ask an expert. Updated: Oct. 04, 2018, 9:18 a.m. ... cucumbers) with a sulfur-based fungicide for powdery mildew.

The plant is somewhat more resistant to powdery mildew than other garden lilacs. Reblooming lilacs are hybrids that bloom again in late summer or early fall, although not as lushly as in spring.

Different kinds of fungus cause powdery mildew on lilacs, phlox, beebalm, summer squash and others, even on bindweed, but the symptoms are similar: a floury white coating on leaves and stems.

Powdery mildew can spread from plant to plant, but it may not, depending on both the plant and the type of powdery mildew. Although there are a variety of powdery mildews, they all follow the same ...