- Name: Burpee Stringless Green Bean - Other Common Names: Burpee Stringless Green Pod - Scientific Name: Phaseolus Vulgaris - Color: Brown Beans - Plant Seeds: When Soil Temp Warms To 70f - Harvest: 50 Days - Hardiness Zone: Annual - Plant Height: 12 - 18" - Plant Spacing: 3 - 6" - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 50 Seeds - Other: Burpee Stringless Is A French Heirloom Bush Snap Bean. Description By Burpee: This Burpee Bred Bean Is Entirely Stringless & It's Brittle, Meaty, Juicy And Has Exceptional Flavor. Plant Yields Are Early And Extremely High. The Pods Are Round, About 6" Long, And Slightly Curved. The Plants Are Entirely Self Supporting.