Longan trees are commonly grown in many subtropical and trop ical countries with the majority of the production in Thailand, Taiwan, China, and Australia (Menzel et al., 2002). SALT Longan is not tolerant of saline soil and water conditions. The flowers are small and yellowish white and can be staminate (male), pistillate (female), or bisexual. I told him to increase water so that he was watering every 2-3 days, everyday when it's really hot, and he's been able to harvest plenty of fruit ever since. Birds and flying foxes are attracted to Longan fruits. during flowering desiccates flowers and reduces fruit set. After planting, irrigate Longan plants regularly to establish. In the United States, major. The longan tree grows to 9–12 metres (30–40 feet) in height and bears compound leaves with oblong glossy leaflets. longan fruit is used for medicinal purposes or as a tea during special occasions (Zee et al., 1998). tool to effectively plan flowering and fruiting of longan trees for market. Traditionally, longan leaves, flowers, fruit, and seeds all have been widely used as traditional Chinese medicines for several diseases, including leucorrhea, kidney disorders, allergies, cancer, diabetes, and cardiovascular disease, because they contain bioactive compounds such as phenolic acids, flavonoids, and polysaccharides [4– 6]. Flowers are scented, creamy-yellow and held in panicles and although there are both male and female flowers, the tree is self-fertile. The almost spherical yellowish brown fruits are commonly borne in hanging clusters. My uncle in Santa Anna has a large Longan tree and it flowers pretty consistently but the fruits kept dropping and he always blamed it on the Santa Anna winds. Symptoms of salt stress include marginal and tip necrosis of leaves, leaf browning and drop, stem dieback, and tree death. In SoCal, Longan needs more water as the fruit sets and starts to enlarge. A range of pests can afflict the Longan tree, including mites, scales, fruit flies, aphids, stem borers, leaf and flower eating caterpillars, mealybug, and fruit piercing moth. Longan fruit appears in drooping clusters, ripening in mid to late summer. The thin leathery skin covers white transluscent pulp that surrounds a single dark seed.