Go for it ! The more you can grow yourself, the less you'll have to buy at the shops. Plus home-grown always tastes far nicer !

You might want to look at potatoes as well; we grew some in big bucket-like pots (the kind of flowerpot you put small shrubs in), and two pots plus a small planter just kind of converted all the compost into a solid mass of potatoes. We had about a 3 month supply and they took up hardly any space at all on the patio.

But we gave up with lettuce, our garden seems to be a slug & snail paradise.....

!BBH