Anyone ? 😁

Stephane, I guess it's a good preventative, but unless there is obvious infestation/problems with the plant (checking the soil too) I'd be loathe to use it. Just as an FYI, this site is a far cry from what it used to be, and sometimes seven days isn't a long time to wait for an answer. I don't know what has caused this used-to-be-vibrant place to become moribund, but there you have it.

Thanks for the advice and for replying ! Very much appreciated! Yes I have posted years ago and remember lots of replies and exchanges