Do Lilacs Bud Again In September?

Question

I have green buds on my lilac bush. Looks different than spring buds.

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Answer 1

Those look like seeds, and you can prune those off. Be sure you don't cut off the developing buds that are forming for next spring's show. Here is more:

https://www.gardeningknowhow.com/ornamental/shrubs/lilac/lilac-seed-propagation.htm

https://www.gardeningknowhow.com/ornamental/shrubs/lilac/pruning-lilac-bushes-when-to-trim-lilac-bushes.htm