Depending on the growing conditions each onion could increase in size by anything between 2 to 3 inches in circumference every week and it really is exciting to go into the polytunnel with a tape measure every few days to make a note of their progress.
Home - Peak Growing Period for the Large Exhibition Onions
Medwyn Williams
Hello. I'm Medwyn Williams – eleven times Gold medal winner at the Chelsea Flower Show, Past Chairman of the Royal Horticultural Society Fruit Vegetable and Herb Committee and President of the National Vegetable Society.