Handy Pantry Organic Black Unhulled Lentil Sprouting Seeds. Non GMO. Sprouting. Vigna mungo. 2-3 days. Lentil is the ideal beginner sprout and a great way to introduce anyone to the simple steps of home sprouting for quick 2-3 day harvesting. Organic Black Lentil seeds are soft-shelled and only require a 4-6 hour presoak to begin germination. Because it is such a simple seed, lentil is best for trays, jars, and sacks.