Propagation means To multiply by generation or reproduction, to to increase. Propagating plants is one of the most, easy, and economical ways of increasing your plant stock. Besides saving money cloning your plants you get complete control over the quality and genetics of your plants. Plants can reproduce one of two ways, sexually or asexually. Sexual reproduction is the natural combination of pollen and stamen to produce seeds. On the other hand asexual propagation, also known as vegetative propagation, is a human-assisted cloning of a plant. This can be done by cuttings, division, grafting, or air-layering. The method used depends on the type of plant being multiplied. One learns very quickly how to propagate and there is no limit to the amount of free plants to share and increase the beauty of your gardens.