Bamboo like weed?

Bamboo like weed?

Observation - Bamboo like weed?. Description: I'm sorry, I really don't know how to describe this. Its growing in a sheltered spot on the Moray coast in the North of Scotland. The stalk looks a bit like bamboo. Anyone have any ideas what it is?

I'm sorry, I really don't know how to describe this.
Its growing in a sheltered spot on the Moray coast in the North of Scotland. The stalk looks a bit like bamboo. Anyone have any ideas what it is?