The apricot tree is more cold hardy fruit tree than are peach trees, and many apricot tree commercial cultivars have been grafted upon plum or peach rootstock in order to make the trees smaller in size: to bring into earlier bearing and to make harvesting apricots much easier. Being extensively grown in the U.S., most of the apricot tree cultivars are very cold hardy for growing in zones 5 to 8 in relatively
pH neutral soil profiles of 6 to 7 that contain high degrees of the element, calcium, and apricot trees do not normally need a specific pollinator to produce fruit, but by using different apricot cultivars tends to encourage a larger fruit size. The apricot fruit is very high in sugar, and much of the commercial apricot tree production of fruit is targeted toward producing dried apricots that researchers have recently shown have such great health benefits. Apricot pits have been shown to have high concentrations of an alkaloid that is helpful in treating diseases like cancer.