51 days. [1957] Has a natural blanching indicator. When prepared for freezing, the purple pods blanch to green after 2 minutes of boiling. Easy to pick - purple pods are easily visible against the green foliage. Plants have short runners and need either wide row spacing or a fence for climbing. 5 in. pods are slightly curved. Very meaty and flavorful, great for vegetable soup. Buff-colored seeds germinate well in cool soil.