[parsley]

Poundland have their gardening range in....including jute vegetable storage bags (I grabbed some of these cos chances are they won't sell them in autumn), potato planting bags and herb planting bags, cheap polytunnels and trellis as well as pots and troughs

[spider]

How much were the potato bags

Spider

[yaxley]

How much were the potato bags

Spider

I hope a pound 

[ecky]

more to the point  what size sacks?

ecky

[lettice]

Here is their garden range

http://www.poundland.co.uk/product-range/seasonal-ranges/gardening/

[Annen]

I tried their cloche tunnels last year, but I found that the wires were too thin and bendy and the polythene was a bit thin to work for long outside in the open.  They might work in a sheltered place though.