Oklahoma is home to 21 metal money of oak trees , some of which reach majestic proportion . These all - aim giants provide shade , wildlife nutrient and protection , erosion control , and fall color . They abide a wide range of light status , soil , and temperature across all four of the Sooner State ’s USDA plant hardiness zone . Planting one of these dependable trees will decorate your landscape for generations .

Shumard Oak

The largest of Oklahoma ’s Shumard oaks ( Quercus shumardii ) graces the southeasterly part of the United States Department of State . mensurate 99 feet high with a branch spread of the 111 feet at the crown , it bear in Oklahoma ’s McCurtain County . Most Shumard oaks , however , reach 50 to 75 foot , says the Oklahoma Cooperative Extension Service . Shumard oak tree have straight , frequently buttressed shorts . Their bristled , deep - green 7 - in leaves provide scarlet fall colour . Pest - free and hardy throughout Oklahoma , these oaks grow three - quartern - to-1 - in acorn .

Disease - resistant Shumard oaks spring up along Oklahoma ’s stream bank and in damp forest . Tolerant of minor flooding and drouth , these trees like sun to partial specter . They ’re not fussy about dirt , handling backbone , loam , clay and limestone - rich positioning . Their young leaves and raw acorns are mildly toxic if ingested .

White Oak

McCurtain County is also home to Oklahoma ’s largest white oak , measuring 82 foot tall with 86 - foot spread . Plant bloodless oaks for autumn color , recommends the Oklahoma Cooperative Extension Service . They can grow as high as 100 feet , with full-strength trunks , stout horizontal branch , and gray or greenish blood-red branchlet . Their blue - gullible , 8 - column inch lobed leave become burgundy in autumn and remain on the Sir Herbert Beerbohm Tree over the wintertime , according the Lady Bird Johnson Wildflower Center . White oak tree bears yearly craw of acorns , with one to three nuts on each stem . Plant it in a sunny to shady location with moist , cryptic flaxen or loamy grunge . Acidic ( pH below 7.0 ) to pH electroneutral ( 7.0 ) soil is best .

Bur Oak

South central Oklahoma ’s Love County sport the state ’s largest bur oak tree ( Quercus macrocarpa ) , stand 84 feet high and 95 wide . An Oklahoma Cooperative Extension Service choice for its drought permissiveness , bur oak tree often exceed 100 groundwork in tiptop and width . Most are wide-cut than they are tall . Exceptionally stalwart trunks – the Love County tree ’s measures 17.5 human foot in circuit – financial support heavy , horizontal branches . Green , lobate leaves are up to 9 in long . laciniate - cap acorns up to 1.5 in wide are the largest of those of U.S. aboriginal oaks . drouth - and - pollution - insubordinate bur oak tree grow rapidly into a in effect shade Sir Herbert Beerbohm Tree , advise the Lady Bird Johnson Wildflower Center . Plant it in Sun to shade and acidic stain . It palm dry or moist soils of all type .

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