in which year was Compton Acres Poole dorset established?

Answer 1

Construction of the gardens began shortly after World War I, so chances are the first plantings were done in 1919 or 1920. Here is a website with pictures, descriptions, and a history of the gardens:

http://www.britainexpress.com/counties/dorset/gardens/compton-acres.htm

Good luck with your search for information.

Answer 2

1989 I think