the close up of the leaves looks like a cotoneaster but it doesn't look well at all.
they don't last long inside. They don't last long outside if the weather gets too warm
When should you not spray? Every day.
re the ?pampas. I have enlarged the one with the flower and it looks like a Miscanthus.
I think I'd get a precise ID before going in with the loppers. It doesn't look like one of the robust coloured stem varieties
Yes, I grow that Paul, lovely plant
still too close Pj
they're too close, 3 a metre is more than enough.
Is your gardener a proper gardener or someone who does jobs in a garden?
pinch out, they'll never support their own weight now