By Ray1940
United Kingdom 
My wife planted a clematis 35 years ago, the circumference of trunk is now is the 300mm and the flora covers an area of approximately 50sq metres every year
Having been to many gardens around the country we have never seen or heard of one this size.
1 May, 2014
Answers
That certainly is an impressive clematis Ray, welcome to GoY.
1 May, 2014
Is it a montana type they can look stunning
1 May, 2014
Please put a picture on Ray, we'd all love to see it.
1 May, 2014
Oooer that sounds amazing, picture please. Do you know which one it is also?
1 May, 2014