A prolific early spring grower and heavy cropper, Scarlett Runner beans produce clusters of bright red flowers that form into purple podded beans, that amongst heirloom varieties are considered in a league of their own. In order to accommodate the plant's growth they should be trained up a sizeable trellis. When to Plant  Zone 1: October - December  Zone 2: September - February  Zone 3: August - April  Zone 4: Any For zone map CLICK HERE Soil  Beans fix your soil with nitrogen that they naturally produce, so a moderately fertile, free-draining soil is required. Ensuring pH is within the recommended range.  Soil pH Level  6.5-7.0  Position  Full sun, preferably in an area of your patch that allows them to be trained vertically and therefore conserve space.