I have 3
All at home (had to give up allotment last year as had gone to rack and ruin due to illness).
2 gave a fair amount of fruit in their first summer - i only bought them last spring, enough to mix in with other summer fruit. Im hoping this year to get enough for a blueberry pie, or maybe even blueberry jam.....
I have other fruit in my garden too. I have 2 small figs in pots, a blackcurrant and a redcurrant bush (I think the red has died though over winter).
I have 3 Rhubarb plants that I grew from seed - very easy to grow from seed - highly recommend it. The leaves are supposed to be good at deterring blackfly off of broad beans etc if you boil them in water and pour the cooled water over the beans.
I have a thornless blackberry Loch Ness I think - highly recommend that variety too - huge, sweet, juicy fruits in abundance.
Also Strawberries in pots - two varieties - one i grew from seed - very easy if slow in germinating. I have raspberries growing in the front garden - they didnt do much last year - I'm hoping they'll pick up this year.
I also have a young Victoria plum tree in the front garden that gave me 3 plums last year - im hoping for a few more than that this year.
If you actually saw the size of my garden you'd laugh because it really isnt that big.........Everything is truly crammed in