Can anyone identify this bush?

[Cailleach666]

Growing in my garden, 2ft tall shrub, I didn't plant it.

It's a kind of St Johns Wort.

Hypericum

Yes St John's Wort, Hypericum.

looks like a hypericom
I have several in my garden and they keep having to be cut back quite drastically.

sorry it is spelt hypericum
this is it
urbanfloranl.files.wordpress.com/2014/10/hypericum-1-402278.jpg

Great, thanks.