Recomendations for a late planting variety in the UK

Hi all

We have a local "head shop" that has lots of different varieties, but they are unable to give advice.

I wish to find an outdoor variety that I can plant now ( late May ) and will produce before late October in the N.W. UK. It will be grown in a large dustbin sized plastic tub in a secure patio like enclosure.

I am not all that fussed about what size it is or what type of stone it gives - I just want something nice that is not bought off the street !

I did very well with 2 seeds someone gave me last year, I just left it a bit late this year !!

Any thoughts folks ?

Best regards, John