100 GREEN LENTIL Lentils Lens Culinaris Vegetable Seeds HARDINESS ZONE: 7 - 10 HARVEST: 100 Days PLANT HEIGHT: 12 - 24" . . . PLANT SPACING: 12 - 15" LIGHT REQUIREMENTS: Sun . . . SOIL / WATER: Average Lentils are most commonly used in Lentil soup, although there are a ton of other great recipes out there. Lentils grow in pods on a bush-type plant. They are a legume and are very high in protein and iron.