Long beans are most flavorful thin and about 18 inches long. … Seeds inside a long bean should not be fully developed; avoid beans that are bulging.Long beans are dense and meaty; they are not crisp or juicy like green beans, and they are not a substitute for green beans).

How do you know when to harvest long beans?

Begin harvesting when your beans are young, about 18” long, approximately 80 – 90 days after planting. Pick every 3 to 5 days and remove all pods to prolong production. When plants get dry they quit growing for the season, so remove them after harvest or when leaves yellow and begin to drop.

How do you pick good string beans?

When beans are at their mid-summer peak, they should snap. Look for a brightly colored bean that feels firm. Bend the pod and wait until you hear that all-too-familiar snapping sound. When the beans are ripe, they should snap quickly and easily.