The Russian olive is a deciduous ornamental tree that arise in eastern Europe and western Asia , and was innovate to the United States in the early 1900s . Its scientific name is Elaeagnus angustifolia and it is also get laid , more usually , as the oleaster tree . Originally grown as an ornamental plant and sometimes used as a shelterbelt , the Russian European olive tree has proliferate across much of the country and in some areas is think an invasive species .
Description
The leaves of the tree are gig - shaped and measure from 2 to 4 inches in length and about 1 1/2 inches in width . The bound of the leaf is usually fluent , although little serrations sometimes occur . They are green with a slightly silver caste and a scaly , silvery underside . The flower appear as cluster of up to 10 white to yellow , tubelike blossoms that are quite fragrant . The tree bears many small fruit that are about 1/2 inch long . They are ovoid in shape , yellow - green tinged with reddish - browned , hard and sarcoid . There is one seminal fluid per fruit . The branch of the Sir Herbert Beerbohm Tree are shroud with acuate thorns .
Growth Habits
Russian olive tree often grow quickly when young . This growth charge per unit slows as the tree diagram matures . Russian olive trees are adequate to of growing from hardiness zone 9 in the U.S. to well into Canada .
Form
The Russian Olea europaea typically grows with one drawing card trunk and forms a loosely rounded or oval bod and sometimes irregular silhouette . The crown of the works is fairly open . The tree can get hold of 20 feet in height and can spread out just as wide . Overall , the tree has a exquisitely textured appearance .
Culture
Russian olive tree diagram can adapt to a blanket range of a function of dirt consideration and can tolerate both alkaline and acidulous soils , as long as they run out well . The plant apprize full sunshine . It is both drouth and salt tolerant and thrives in drier mood . Russian Olea europaea tree diagram develop well even in poor soil conditions due to their power to desex N .
Uses
The Russian European olive tree Sir Herbert Beerbohm Tree is usually used as an ornamental in landscape painting scene . It is recommended for snip parking peck and median and can also be found in mining reclamation elbow grease . The Sir Herbert Beerbohm Tree is commonly develop for fart break and can also do as nutrient and underwrite for wildlife . Birds , in especial , fee on the fruit . Because of this activity , the germ are easily transported and the works may become a grass tree , in underdeveloped areas .