 Genetic variations within the species of conifers that are used for Christmas trees have produced individual varieties of trees that can thrive in certain climates where other varieties of the same species cannot.This same genetic variation can also produce trees that are aesthetically more pleasing than others.Knowledge of the seed source allows the nursery to provide trees that are suitable for their customer specific locations and needs as well as satisfy the desires of the end-purchaser who will take the tree home for Christmas.