A vigorous and gracefully pendulous specimen, Cailletier trees are best known as the source of Nicoise olives,those choice black nuggets found in Nicoise salad. This cultivar is grown in the Alpes Maritime region, so they're more cold resistant than most other olive cultivars. Self-fertile, the drupes are also used to make a delicate oil but their highest use is for the table. Watch out for scale and olive fruit fly on Cailletier trees. As of September 2023, trees are well-developed, about 3' tall and branching developing.