No one should be afraid of pruning Rose of Sharon (Hibiscus syriacus). It is actually invasive in 4 states and they are vigorous growers so hack away. They can totally take over but there are some sterile varieties which don’t have many or any seeds. I have a few of these that were planted a long time ago and I have kept most of them but I have also been removing some of them and replacing them with other things (most recently, a sweet bay magnolia, which is a native plant.) If I was starting ag