While almost no bang out of plant is immune, certain species are more susceptible than others.
Luckily, there are effective powdery mildew treatments that can help fight the disease.
The Spruce
What Is Powdery Mildew?
The Spruce / Almar Creative
Several different species of fungi can cause powdery mildew.
Translation: the powdery mildew on your lilacs will not spread to different varieties of plants in your garden.
The fungi spores reside in plant buds.
The Spruce
Learn more about these below.
Limit Spread With Baking Soda
You canuse baking sodato limit the spread of powdery mildew.
Use thebaking soda sprayall over the plant.
The Spruce / Almar Creative
It is less effective as a cure once the fungus has taken hold.
Do not treat plants under stress from drought or high heat.
The best treatment for powdery mildew is potassium bicarbonate.
The Spruce / Almar Creative
Powdery mildew is rarely fatal to your plants.
Apply treatment either earlier in the morning or the evening.
You want to avoid full sun, which is when insects are most likely to be present.
