Staying Safe In Manchester.....
ChatterBank4 mins ago
No best answer has yet been selected by soozmac. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Doubt you'll get a big plant from the diy stores as they only sell what the central distribution send them, so not even worth asking for a one off.
Call Dobbies at Gilmerton (or similar garden centre place) and ask if they can get you a larger plant than usual as a special order. Pentland Plants at Loanhead are also pretty good - check yellow pages for numbers.