Thebur oak(Quercus macrocarpa ) is a large tree also commonly have it off as the profane oak tree , mossycup oak and scrub oak tree . The bur oak tree get its name from the appearance of its acorns , which have a burred fringe on their caps ; its acorns are also big than those of all other oak coinage native to the United States . Bur oak tree is winter - hardy in U.S. Department of Agriculture plant hardiness zone 4 through 8 .
Growth Habit and Size
A mature bur oak Sir Herbert Beerbohm Tree has a unsubtle , rounded canopy and usually pass a height of 70 to 80 feet . Under idealistic spring up experimental condition , the Sir Herbert Beerbohm Tree can get much taller , more than 100 metrical foot . It is aslow - grower , often supply less than 1 foot of tiptop and 1/4 inch of body diam each year . It has a long lifespan , though , and may survive more than 400 years .
Because of its heavy size , a bur oak Sir Herbert Beerbohm Tree is not well - fit to any but the most spacious garden or yards . Litter from its falling acorn also may be a problem if the tree diagram is close to space used for outside assemblage . In roomy landscape , however , bur oak tree ’s hardiness and size take a leak it an efficacious shade and specimen tree diagram .
Site Preferences
In its native home ground , bur oak tree can tolerate a wide range of dirt types and wet level . A young burr oak does well in an area that getsfull sun or partial shade . The tree diagram grow most rapidly in racy , moist soil , but it may remain little or shrublike in thin , nutrient - deficient dirt . Bur oak tree is verydrought - broad , and its slurred bark avail it to dissent hurt from fire . It is not specially tolerant of excess wet , though , and it may not survive if subjected to flooding or saturated dirt for more than a few weeks .
Pests and Diseases
Bur oak is not by and large vulnerable to pestis and diseases that make serious , life - endanger harm . worm such as theoak leaf minerand theoak webwormmay cause some defoliation , but natural predators and parasites commonly finally contain plague without intervention from a gardener .
Fungal diseases such ascotton root rot , which can do the tree to give out , also may arise . Chemical control of this type of fungus is expensive and not always effective . So it ’s best to consult an tree surgeon for a definite diagnosis and treatment recommendations if you see signs of infection , which include leaf yellow and wilting .
Oak wilt , a calamitous and incurable fungal contagion , is uncommon in bur oak tree , but it may spread to bur oak tree from the base of nearby infected trees .
Information On The Bur Oak Tree
The Missouri Botanical Garden refers to Bur Oak as the " most majestic " of the oak tree trees native to North America . The tree usually rise to a height of between 70 and 80 feet improbable , from time to time reaching 150 feet . The tree has a tolerant , rounded cap made up of dark green leaves that gradually turn golden brown in the nightfall . Bur oak tree is native to the eastern and primal United States . The tree can become stunted and middling shrubby where it strain the limits of its born range . Bur oak tree is a fairly humiliated - maintenance Sir Herbert Beerbohm Tree that grows in U.S. Department of Agriculture industrial plant hardiness zones 3 to 8 . It necessitate full sun to prosper . It can take decades before the Sir Herbert Beerbohm Tree is established enough to produce acorn . It is the larval emcee for the Edwards ' hairstreak and Horace ’s duskywing butterfly stroke .
