Runner bean seeds for planting January to June, with harvesting May to August. You can buy 50 grams, 100 grams or 200 grams with this order. 100 grams is about 70 seeds. The Enorma Runner Bean is said to be known for its 'superior flavour, vigour, high yield, and exceedingly beautiful pods. Vegetable gardening is a great hobby, gives excellent value for money and you can plant and harvest to your heart's content, not to mention, enjoy eating fresh, healthy vegetables.