Rosa glauca … pruning advice please …

in Plants
I have a very happy and glorious Rosa glauca that’ll soon be outgrowing it’s allotted space in the border.
I’d always understood that it was best pruned after flowering, but some sites advise pruning in March … what do you do?
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
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A good gardener's eye sees more to be improved. Robin Lane Fox
Shall we compare stumps in a few months @fidgetbones? Good luck with yours - and mine.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.