Put the cut end of the leaf in just enough water to cover the bottom quarter of tissue. Place the container in an indirect light situation and change the water every couple of days. Soon you will see little roots. Plant the rooted leaf in sand or peat moss and follow usual snake plant care.
Hereof, can I repot snake plant leaves?
Consequently, how do snake plants grow new leaves?
Snake Plants are relatively slow growing houseplants. Their leaves usually grow by 1-3 inches per month, depending on the suitability of their growing conditions. They produce 2-4 new leaves at a time from their rhizome during the growing season and can easily grow 6-10 new leaves in a year.