I cleared the overgrown mass of wire, netting, sticks, and weeds out from behind the shed today. Several plastic sacks, an old pond liner, a large pile of half-rotten cardboard, and a few barrows of wood chippings later it looks like this:

A big improvement :-)
All three rhubarb plants are doing really well, but are also flowering.

Not seen this before, but chopped them off after taking the photo. Also pulled of a few stems and made a rhubarb crumble for tea!