Treating Lilacs

Question

When and how to treat lilac bushes with problems, we believe its a bug , not sure what. I need to know how and when to. Our bushes flower in early May in Pa zone 6b.

Answer 1

You can spray it with Neem oil once it leafs out. Here is more:

https://www.gardeningknowhow.com/ornamental/shrubs/lilac/common-lilac-problems.htm

https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-care-growing-and-planting-lilac-bush-plants.htm

https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm