By Jacksondscar
West Yorkshire,
United Kingdom 
Can anyone tell me what this is It suddenly sprang up Is it a weed?
29 Sep, 2011
Answers
It looks like a knotweed of some sort maybe the Himalayan...but not sure. Pull it out.
29 Sep, 2011
The leaves remind me of Bindweed but not the flower. If Bindweed then remove.
30 Sep, 2011
Previous question
« Honeysuckle .. Root regrowth ? I've dug up and relocated a Lonicera Darts...
Sorry I dont recognise it as a native [wildflower] plant. it is only a weed if you dont like it though.
Hope some one else can id it for you.
29 Sep, 2011