Some trees can be curiosities , bring forth fruitthat is unusual enough to draw attending . A issue of trees grow great , immature , round fruit that may be attractive or just strange and attention - grabbing . For those who have Tree like these located in their landscape , these fruit may be a motley blessing . While providing a pleasant shady environment , these trees may litter the G with dropped fruit .
Osage Orange Trees
The Osage orange ( Maclura pomifera ) , hardy in U.S. Department of Agriculture plant hardiness zone 4 through 9 , is n’t actually an orange tree , but the yield resembles oranges in sizing and cutis texture . The Sir Herbert Beerbohm Tree are prominent and can pass on 60 feet with great age . It is n’t a friendly tree , because it not only produces sticker but female trees hold heavy , 3- to 5 - in - all-encompassing fruit that bedding material landscape and are difficult to clean house up . The milky sap can sometimes cause sensitized reactions on the skin . However , the fruits are interesting and are sometimes used as temporary decorations in fruit bowl display .
Walnut Trees
Both English ( Juglans regia ) and black walnuts ( Juglans nigra ) , intrepid in USDA zone 5 through 9 , produce labored green round - to - oval fruits . Most people do n’t choose walnut tree as a landscape painting tree diagram , but they are from time to time feel as remnants of orchard or as prospect seedlings that grew untended . Although walnut are very bombastic trees and raise great tad , the green fruits are messy , unmanageable to strip up and often sully cement , hand or other detail . Other flora do n’t grow well under walnuts due to chemical emitted by the ascendent and litter .
London Plane and American Sycamore Trees
London plane ( Platanus x acerifolia ) , hardy in USDA zones 3 through 10 , and American sycamore ( Platanus occidentalis ) , hardy in USDA zone 4 through 9 , are from the same genus and therefore contain similar fruits and habits . They are popular , large shade trees with maple - like leave of absence . Each bears spiky green fruits that age to embrown when mature . These ball - mold fruits are about 1 inch across and break apart when ripe , dispersing slick seeds .
Chestnut Trees
Chestnuts are turgid trees that are used ornamentally or for food product . Each give rise spiky green fruits that break through open to bring out lustrous screwball about 2 inches across . However interchangeable they may seem , the fruit from the horse chestnut ( Aesculus hippocastanum ) , dauntless in USDA zones 3 through 8 , is not eatable , while the eatable chestnut tree ( Castanea spp . ) , hardy in USDA zones 3 through 11 , is considered a delicious treat . The eatable chestnuts have green stubble covered in prickly , needle - like protrusions , while the uneatable chestnut tolerate shuck with abrupt , warty protrusion that do not cover the entire surface of the husk . Chestnut trees make expectant shade trees and raise pretty flowers but can be a hazard due to the electric potential for being struck by or stepping on the spiky fruit .
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