A COMPETITION to find the longest runner bean has been launched as part of a free vegetable show at a Northumberland garden centre next month. It is one of the fun classes featured in the Grow Your Own vegetable show to be held at Heighley Gate, near Morpeth, on September 3 and 4. People have until 5.30pm on September 1 to enter . A full list of classes and entry forms is available from the garden centre.Read