Step: 7. Mature Longan Trees: Mature longan trees require 1.5 to 2.25 kg (3.3 - 5 pound) of fertilizer just before the tree blooms in late spring and again before or during the harvest. Do not transplant the seedling yet. Longan trees may be grown from seed, however, cultivars do not come true from seed, and the fruit of inferior quality. The alga may also spread to branches. Trees can grow as high as forty feet or more and are well-adapted for a wide variety of soil and moisture conditions. Longan is an edible tropical fruit of the longan tree (Dimocarpus longan). You can refrigerate the fruits in plastic bags for later use. Cutting 1 to 2 inches from the tips of new shoots on the young longan tree during the spring and summer will help keep the tree compact. Longan, (Dimocarpus longan), also spelled lungan, tropical fruit tree of the soapberry family (Sapindaceae), native to Asia and introduced into other warm regions of the world. If the tree becomes too dense, removal of some branches will increase air circulation. Leaves are 10-20 cm long and 3.5-5 cm wide. Plant the longan tree quite away from the lawn because the roots of the mature tree spread beyond the drip-line and heavy lawn fertilization may reduce fruiting and or fruit quality. The tree is not tolerant to excessively wet or flooded soil conditions and it may die due to constantly wet soil conditions. During past 6 months. Know about the details on how to grow longan tree and care for longan fruit tree as regards to its planting position, soil requirement, its watering needs, fertilization, pests and diseases and tips for pruning of the tree and harvesting the fruits. Now that your longan tree has six plus leaves it is time to re-pot it. As the clusters of ripened fruits are harvested, lychee growers simply snip off about 4 inches (10 cm.) It is an evergreen tree with some species reaching 100 feet tall. Longan producing countries include Thailand, China, Taiwan, India and Vietnam. Was it a period of cooler, wet weather followed by heat and humidity? April 11, 2014. Keep the area around the trunk of the longan tree free from grass and weed. A large amount needs to be ingested in order to cause respiratory failure and death. The flowers are small and yellowish white and can be staminate (male), pistillate (female), or bisexual. How to Prune a Lychee Tree. One of the more well-known tropical members of the soapberry family - which also includes the lychee, rambutan, guarana, korlan, pitomba, Genip and ackee - the Longan tree is native to Southern Asia. Longan fruit tree (democropuslongen locker), also known as dragon eyes, longan and mamoncillo chino, which is sweet in taste.It is a tropical fruit tree, whose fruit is oval in which there is a shiny seed inside the musky white fruit. The almost spherical yellowish brown fruits are commonly borne in hanging clusters. Seedlings can be used for the selection of new cultivars or rootstocks. Corrections? The thin leathery skin covers white transluscent pulp that surrounds a single dark seed. Positive feedback. (syns. Sprays 4-6 liquid feeds containing magnesium, manganese, zinc, molybdenum and boron during the warm part of the year. Wait for the fruits to change their color to light brown and size 2 cm or greater with good flavor. If the soil is acid to neutral, apply iron sulfate at 5 to 30 g per tree to the soil 3 to 4 times a year. This will facilitate light penetration in the the canopy on maturity. It's usually better if a tree drops its leaves than if the leaves begin to dry up on the tree. The pruning of many 3/4 th of the flower spikes in the flower clusters should be removed to increase the quality and size of the fruits. The longan is a large evergreen tree that is becoming very popular in South Florida landscapes. Third year: Fertilize with about 450 g (1 pound) every 3 months. LEM infests immature Lychee leaves and forms small blisters. The longán (Dimocarpus longan) is original of China, where it is known as "dragon eye". Only limited numbers of main branches (3-4 main branches) are retained to contain height and obtain the desired tree structure. The saliva of the mite Eriophyes dimocarpi is toxic to the the longan tree and causes the signature curled, malformed leaves of the affliction called witches’ broom. If the soil is alkaline soil, mix 14-20 g of iron chelate with 14-20 liter of water and pour on to the soil around tree trunk during winter.&. Established trees should be irrigated regularly from the signs of blooming appear and until harvest. The branches that are dead or infested by pests and diseases should also be removed. Trees more than about 10 to 15 ft high (3 - 4.5 m) and 15 to 30 ft (4.5 - 9 m) wide are difficult to care. Longan is a symmetrical slow-growing evergreen tree, 8-12m tall, with a dense canopy. Evergreen or deciduous: Longan is an evergreen tree. Complementing the deep green color of its leathery leaves is the Longan Fruit itself. The longan tree grows 15 to 25 feet in California versus 50 feet under ideal conditions. The almost spherical yellowish brown fruits are commonly borne in hanging clusters. Botanically, it is placed in a separate genus, and is currently designated Dimocarpus longan Lour. Leaves: Alternate leaves with 4 to 10 opposite leaflets. Apply a 10 cm (4 inch) layer of bark, wood chips or similar mulch material spreading to the drip-line from 12 inch of the trunk. Longan trees are Dimocarpus longan, an attractive small to medium sized tree with lots of lovely reddish new growth through spring and summer and a heavy canopy of shiny, green leaves, although you may want to keep … Plant away from the lawn as the lawn mower if accidentally damages the trunk of the tree can reduce fruiting or even the tree may die. 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