Quercus nuttallii (syn. Q. texana) acorn
The State Endangered Illinois provenance of Nuttall's oak, Quercus nuttallii (F2)
The colorful spring foliage of our 'New Madrid' cultivar of Quercus nuttallii (syn. Q. texana) remains purple until June
Our 'New Madrid' oak cultivar in autumn
A young bur oak, showing about as much fall color as this species can muster
Quercus macrocarpa showing staminate and pistillate flowers
Quercus ×sternbergii, named for Guy by Professor Reinhold Luebbert of Germany in his World Compendium of Oaks, is a stable hybrid (nothospecies) of Q. shumardii × Q. buckleyi
Colorful new growth on Quercus robur 'Salicifolia'
Quercus arkansana in October, north of the pond
Quercus michauxii, seen here in the west oak area, is one of the best white oaks for autumn color
Quercus michauxii at 30 years of age
Brilliant fall foliage of Quercus michauxii
Quercus palustris and prairie grass in autumn
A Quercus xbebbiana 'Taco' graft in our oak collection
Quercus ×bebbiana F2 'Taco II' showing fall color absent in the F1 ortet tree
Spring color on Quercus velutina
Quercus velutina showing staminate cakins
Quercus velutina 'Oakridge Walker', our cutleaf selection of black oak
Quercus sinuata, growing far north of its native range
Quercus georgiana × coccinea F1 collected in the wild on Stone Mountain
Guy with a typical leaf from Quercus dentata
Quercus dentata 'Pinnatifida'
Quercus cerris coated with an early snow
Quercus alba with catkins
Quercus alba 'Lincoln', the lace-leaved white oak we gifted to our good friend Dick van Hoey Smith of Arboretum Trompenburg in Rotterdam -- Dick liked it, named it, and introduced it
This Quercus robur selection from Wilhelmshoehe Park, Kassel, Germany, shows an unusual amount of spring color
Quercus ×guadalupensis derives its fall color from its Q. stellata parent (the other parent is Q. macrocarpa)
Quercus serrata
Part of our "Fastigiate Forest" of upright oak selections in fall color
Some of our fastigiate oak cultivars
Part of the Starhill Forest American oak collection in the South Field
Quercus pumila (syn. Q. elliottii) flowering in one of our dune landscapes
Quercus coccinea develops its peak fall color after most other deciduous trees have defoliated for winter
Brilliant fall color on a spontaneous F1 hybrid of Quercus nigra (Female parent) × Q. coccinea, grown from seed collected from the Kentucky champion Q. nigra tree - we are naming this selection 'Fire Water'
Quercus robur 'Filicifolia'
Quercus alba 'Jasper', a white oak selection from our friend Dr. Mark Coggeshall who does much of our grafting for us
Quercus prinoides is a heavy bloomer and flowers whan only four years old
Quercus ellipsoidalis × rubra
Quercus dentata flowering
Quercus oglethorpensis showing fall color
Quercus phellos, grown from seed collected in the wild at the northern limit of its natural range
Quercus acutissima, collected in Anning, Yunnan
The western upland form of Quercus shumardii, from Canadian County, Oklahoma
Quercus aliena, the Chinese white oak, with male flower catkins
Root flare on a Civil-War-era Quercus rubra
The largest acorn in the world grows into Quercus insignis, an oak from the tropical forests of Vera Cruz, Mexico
The same acorn, three months later!
Quercus dolicholepis, grown from seed collected in southern Yunnan, China
Quercus organensis, a rare oak from the Organ Mountains along the Mexican border
Quercus franchettii, a striking oak from warm-temperate areas of China
Quercus resinosa, from a volcano in central Mexico
Quercus hinckleyi, the Federally Endangered species from the ghost town of Shafter, Texas
Quercus lamellosa from upper elevations in the East Himalaya
Quercus "Langtry" - an oak from near Langtry, Texas that remains to be identified conclusively by taxonomists
Quercus planipocula, another rare oak from southwestern Mexico
Quercus fabrei collected from Xi Shan, Kunming, China and now flowering here
Quercus griffithii, collected from the Tibetan Plateau
Quercus rysophylla from the Sierra Madre Orientale of Mexico
Quercus schottkyana, collected on Xi Shan near Kunming, Yunnan, China
Quercus tristis, collected in Guatemala
Quercus tomentella, the island oak, collected on Santa Cruz Island off the coast of southern California
Quercus uxoris, a rare deciduous oak from the mountains of southwestern Mexico
Our subtropical oaks are wintered in another greenhouse
The "Saw-Tooth" Oak (Quercus palustris) of Omaha, Nebraska (this is real, not PhotoShop!)
Quercus nigra x Q. pagoda, Natchitoches, Louisiana
Some climbing monkeys from the Morton Arboretum high in a 300-year-old Quercus macrocarpa in Petersburg, Illinois
Guy with the first oak hybrid of Quercus pagoda x Quercus nigra that we have ever found, in the historic American cemetery in Natchitoches ("Nack'-o-teesh"), Louisiana. Obviously a huge tree, its seedlings are intermediate in morphology and exhibit good hardiness here in central Illinois.
Quercus pagoda, the St. Denis Oak, in Natchitoches, Louisiana
The base of the state co-champion Quercus macrocarpa in McBaine, Missouri
The Kansas state champion Quercus macrocarpa
The state co-champion Quercus macrocarpa in McBaine, Missouri
Rehns' Big Dude, a 25-foot circumference Quercus virginiana in Baton Rouge, Louisiana
The last known Indian Trail Tree in Illinois grew near Athens
The national champion Quercus muehlenbergii in Kentucky
Guy with the national champion Quercus muehlenbergii in Kentucky
A monument tree -- survey witness tree, recreated on a dead oak at New Salem Historic Site using period tools
Guy with Quercus fusiformis, Independence, Texas
Quercus phellos, the state co-champion at Blytheville, Arkansas
Quercus pagoda state champion in Lexa, Arkansas
Quercus fusiformis, Independence, Texas
The historic KIle Oak (Quercus macrocarpa) in Indianapolis
The French-and-Indian War era Gudgel Oak (Quercus alba) we raised funds to preserve and plaque
One of the grandest of all bur oaks, this Quercus macrocarpa spreads it 130-foot wingspan over a huge back yard in Bloomington, Illinois
Another view of the Bloomington bur oak
Edie with a Quercus macrocarpa at the city cemetery in Bloomington, Illinois
Quercus macrocarpa "Josephine" in Petersburg, Illinois
The ancient Hobson Oak (Quercus macrocarpa) in Woodridge, Illinois still clings to life after a highway project caused major trauma to its root system
Old growth Quercus michauxii at Horseshoe Lake, Illinois
A "Green Man" in Quercus macrocarpa -- the trees are always watching!
The same Quercus macrocarpa, approximately 300 years old, in Petersburg, Illinois
Guy and his old friends Joe Wasyl and John LeBeouf at the Uncle Oak (Quercus chrysolepis) on Mt. Palomar, California
Quercus macrocarpa, 20 feet circumference, near Tuscola, Illinois
Jeff Epping of Olbrich Botanic Garden in Wisconsin with a nice Civil War era Quercus muhlenbergii at Cotton Hill Park, Springfield, Illinois
Quercus macrocarpa, 18 feet circumference, Petersburg, Illinois
Monumental trees framing a monument -- Quercus alba at Lincoln's Tomb
Quercus macrocarpa along the Mormon Trail in southern Iowa
Quercus macrocarpa, 400 years old, near Attica, Indiana
The Missouri co-champion Quercus macrocarpa in Big Oak Tree State Park is 140 feet tall
The oldest tree we've core-dated at Starhill Forest -- a Quercus macrocarpa that witnessed the Civil War
Guy under the ortet tree of Quercus xdeamii 'Champion Seedless' near Lake Springfield
Edie inside a 400-year-old Quercus macrocarpa near Attica, Indiana
Guy preaching in a cathedral of oaks, Funks Grove, Illinois
The Illinois champion Quercus pagoda at Heron Pond Nature Preserve
The national champion Quercus shumardii in Union County, Illinois
The ortet tree of Quercus xturneri (Q. robur x Q. ilex) at the Royal Botanic Gardens, Kew, Britain
An old "dodder" Quercus robur in Windsor Great park, Britain
Guy with the Anseman Live Oak in City Park, New Orleans
The old live oak (Quercus virginiana) in Metairie Cemetery, Louisiana
The Abbott Schauble live oak at St. Joseph's Abbey, Covington, Louisiana
Live oak (Quercus virginiana) behind the oak fence at Ormond Plantation, Louisiana
Guy with the Angel Oak (Quercus virginiana) on St. Johns Island near Charleston, South Carolina, in 1989
The Middleton Oak (Quercus virginiana) in South Carolina - can you find Guy in the photo?
Seven Sisters, the national champion southern live oak, north of Lake Pontchartrain, Louisiana
Guy with Cary Saurage's Hero Oak (Quercus virginiana) in Baton Rouge, Louisiana
The Grandjean Oak, an ancient southern live oak in City Park, New Orleans
The national champion bur oak near Paris, eastern Kentucky
One of many Quercus robur trees 600-800 years old in the Uber Forest of Urwald, Germany
The progenitor of all fastigiate oaks -- the 500+ year old Schoene Eiche (Beauty Oak) of Harrreshausen, Germany
Quercus xsubstellata, found in Macoupin County near Barr by our friend Larry Mahan and identified by Guy
The Billy Wilkins Oak (Quercus robur) at Melbury Estate, Britain
Gathering seeds in and around the Gross Chene de Liernu, the grand champion oak (Quercus robur) of Belgium and one of the oldest oaks in the world
The oldest oak in Hamburg, Germany, in Jenisch Park
Guy with The Vagabond -- an old water oak (Quercus nigra) at the family plantation of Coleen Landry, Chairperson of the Live Oak Society
Guy with the Verderer's Oak (Quercus robur) in the Forest of Dean, Britain
The favorite oak of William the Conqueror still stands today near Windsor Castle
Guy with old Quercus robur trees in Windsor Gardens, Britain
Edie with an old Quercus pagoda on the farm of Ron Lance in Asheville, North Carolina -- this tree was used as the model for the logo of the 2000 International Oak Society conference
Aytekin Ertas and Weeds Eilers with an ancient Quercus xhaynaldiana in the Bilezikci Forest, Istanbul, Turkey -- must be the local dog house!
