In traditional medicine, leeks have been used to treat a variety of ailments, including sore throats, gout and kidney stones. Because they contain Potassium - one leek contains the equivalent of an eighth of an adults daily needs of the mineral - leeks encourage the efficient functioning of the kidneys and are an effective diuretic. A useful source of folate too, one cooked leek will contain one third of an adult's recommended daily need.
Sweet Corn needs plenty of space as it can grow up to 2m (6ft) tall depending on the variety, and must been grown in blocks as it is pollinated by the wind knocking together the plants so they pollenate each other. Nothing beats fresh Sweet Corn, in fact my little lad likes nothing more than to pick a cob and munch it straight off the plant!
Asparagus beds are long term investments and if implemented correctly will give you a return on that investment for over 20 years, each spring providing you with delicious, edible spears.
Courgettes are epic fruiters, and easy to grow, once the fruit gets going they seem to double in size every day and as general rule they are best pick when 4-8in in length, or if round type slightly larger than a cricket ball. Don't plant too many as they seem to be constant cropers and the more you harvest the more they seem to produce.
Tomatoes fresh from the vine are hard to beat, but with the many problems with growing tomatoes, including the dreaded blight are they worth the hassle on the allotment?
The Oca is first thought to have been grown by the Incas in South America but are hugely popular in New Zealand also and are increasing in popularity in this country too with the first farmers taking to growing them commercially recently.They can be used like a small potato and have a slightly citrous flavour. Great raw in salads too!
These are a versatile if not unusual vegetable, technically a fruit really. The spaghetti squash is an oblong seed-bearing variety of winter squash. The fruit can range either from ivory to yellow or orange in colour. The orange varieties have a higher carotene content. Its centre contains many large seeds.