How and When to Plant Lentil Plants. It takes 80 to 100 days to grow a lentil crop. In warmer climates, plants are typically grown from fall through winter.

And this is far from the only lentil cache to be found by archaeologists in the Middle East. In 1983, at a site in Israel dated to around 10,000 years ago, more than a million lentils were uncovered .