The original luteola plant material that ABG released in their sale came from selfing the flower from a single luteola plant obtained from Bob Hanrahan. The seed was germinated and grown for about 3 years before offering it for sale. In contrast to material propagated through tissue culture, these luteola plants were all genetically different. It is quite likely that some plants were more vigorous than others. However, selfing a single plant is not the best way to produce strong, vigorous plants. If the goal is to produce vigorous, disease-resistant plants, outcrossing is the best bet.