Basic Information Phaseolus coccineus Basic Sowing information: Sow outdoors after last frost, use a cane structure trellis or wigwam 22cm between canes, in rows 60cm apart to support beans. Sow in rows 5cm deep 1 seed per cane. Sow indoors mid April or in situ May/June harvest August to October, for late crops sow direct up to early July for harvesting until first frosts. Keep well watered and feed weekly. Tip; sow a few extra beans along the row for transplanting out later. Dwarf runner beans are ideal for the smaller garden, exposed garden or patio containers.