Long beans / yardlongs / asparagus beans need heat to grow; but given that, they mature quickly. They flower later than all of the pole beans here, but will consistently beat the pole beans to dry seed. Black-seeded types generally have a shorter DTM & are better adapted to cooler conditions; red-seeded types - although later - typically have firmer, sweet(er) pods. The firm varieties make really good, crunchy dilly beans - and you can cut them to fit the jar size. Chinese Red Noodle makes really outstanding bright red dilly beans.
There are a few bush varieties. Those have very short DTMs (50-55 days to first pods) and might succeed in short-season areas, or where it is too cool for pole varieties. Only 12" long or so, but firm pods of high quality, and will bear almost until frost if kept picked.
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