Grow and cook your own runner beansrunner bean scarlet emperor scarlet emperor is excellent for freezing and a heavy cropper also popular as a show vegetable harvesting time is from august to september runner bean streamline streamline is a reliably heavy and vigorous cropper also suitable for freezing harvesting time is from june to septemberthis selection of runner beans contatins two varieties these beans will produce plenty to harvest and any excess can be frozen and eaten at a late