How to Prune butterfly bush [Buzz Lilac]?
Shorten last year's flowering stems to one or two buds from the older woody framework. Remove thin, weak and dead shoots. Prune in early to mid-spring as growth resumes; avoid winter pruning that exposes new shoots to frost.
![butterfly bush [Buzz Lilac]](https://img.juefan.top/plantsync/rhs_reference/original/308086.webp)