Allira
There is a splash of forsythia in our hedge. Not much, but it looks cheerful even on a dull day.
Buddleia. Hideous stuff.
I think it's fine and yes, butterflies and bees do love it so it is n essential plant for the survival of wildlife.
Far better than Himalayan Balsam, Japanese Knotweed and Russian vine which really are hugely invasive and destroy our habitats, causing huge problems, even growing up through the foundations of houses.
We were being taken over by Himalayan Balsam and I have seen lots of seedlings already. A man from a countryside trust organisation came to say that he would bring some volunteers this year to clear them out. starting uphill on a neighbouring property before they start to set seed.It is something I could not manage. They. are thugs as they are in the wrong place, but they are pretty flowers and bees love them.
I have a photo taken over 30 years ago of a an area of garden we had made into a sitting area. There are some H B in the picture but I had never seen them before and didn't know what a problem they would become.