Solved Possible Grass I/D please

Could someone have a look at these pictures for me please, I done a search on Google and it came back and said it was sweet grass but I'm not so sure.

These are in a boggy area of the garden almost like a small pond

Thanks for any help you can give

 

Looks like Gardener's Garters - a kind of phalaris: Phalaris arundinacea var. picta | gardener's garters/RHS Gardening.

Yes it loves marshy conditions. Does have a tendency to spread.

 

Hi @intel definitely what Clare said as this pic is identical to yours

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Thanks for your help...........seems to be a expensive plant as well

 

As soft as it sounds mate...with members plants which have matured, they would cost a fortune to buy at a garden centre