Maincrop This well known heritage maincrop produces heavy crops of large, curved, dark green pea pods of the highest quality. Each pod of Pea 'Alderman' contains up to 11 succulent peas with a superb flavour. This well known and reliable variety has a tall growth habit that will require supports but is well worth the effort for the huge yields that it produces. Height: 180cm (71). Spread: 25cm (10).