Solved Spiraea?

Is this shrub a type of spiraea? If so, any idea which type?

Thanks

 

Hmm, I'm not convinced that is a spiraea. Are those old berries in the photo or last yr's flower heads?

 

I don't know for sure, as I didn't have the garden until the end of last year, but they look like last year's flowers to me.

 

I think it’s a Spirea japonica. ‘Anthony Waterer’ is the most common one. I think they are last year’s flowers.

 

Right, thanks. So if I prune it now, does that mean it won't flower this year?

 

Ah, yes, they do look like old flower heads in that 2nd photo. If it is a spirea, I'd agree with @Asarum that it is a japonica.

I would just remove the dead flower heads and see what happens.

 

You can prune it now as it will flower on this years new growth. You could prune it down to 15cms.

 

Excellent, thanks. 15cm seems quite drastic given that it's over a meter high.