Hi. Chris......what a wonderful,name....9. Large pots,. Mine are 40 cm deep and across but larger the better. Acid soil. .you may be tempted by the same nursery I got mine from in Dorset. I got the mature plants early mid and late in dormant season by mail order. I will get name and write again. Scorching here yesterday and today, perfect BBQ weather.....and burnt sausages are what it's all anout