Quercus macrocarpa
Bur Oak

 Plant Type:
 Hardiness:
 Deciduous / Evergreen:
 Flowers:
Brown (Not ornamentally important)
 Foliage:
Green (Lustrous, dark green foliage in summer); Yellow (Yellow to yellow-brown fall foliage)
 Fruit:
Brown (Acorns in fall)
 Ultimate Height:
70-80 feet
 Ultimate Spread:
70-80 feet
 Light Requirements:
 Soil:
Very tolerant of soils, even dry, alkaline, clay soils
 Range:
Eastern United States
 Diagnostic Characteristics:
Leaves (4-10" long) are alternate, simple, and oblong-obovate. Leaf shaped like a fiddle, with an expanded lobed blade at the apex, and narrow more-deeply lobed blade at the base. Brownish, ovoid, imbricate buds with a pale pubescence. Acorn (0.75-1.5") has a fringed cap that covers 50% or more of the nut.

Additional Information

More tolerant of city conditions than most oaks. Perhaps too large for a typical residential landscape when mature.

When Quercus macrocarpa has been observed flowering or fruiting at Purdue University

Flowering

JanFebMarAprMayJunJulAugSepOctNovDec

Fruiting

JanFebMarAprMayJunJulAugSepOctNovDec

65 Quercus macrocarpa found

Building Map...

Loading...
= Heritage plant = Memorial plant
Number Accession ID Location
12009_13116*AHORTPARK
Heritage Plant
Dedicated/Memorial Plant
22012_01056*BBCC
3ORIG_6490*ASMTH
4ORIG_3651*ASHRV
Heritage Plant
5ORIG_6491*ASMTH
6ORIG_1944*AARMS
72009_13940*AHORTPARK
8ORIG_0493*AWOOD
Heritage Plant
9ORIG_6488*ASMTH
102017_00093*AHCR
112017_00157*AHCR
12ORIG_6487*ASMTH
13ORIG_5306*APVA
Heritage Plant
14ORIG_5287*APVA
Heritage Plant
15ORIG_0059*AMRPK
16ORIG_0743*ASHLY
Heritage Plant
17ORIG_0526*AWOOD
Heritage Plant
18ORIG_6494*ASMTH
192017_00155*AHCR
20ORIG_6493*ASMTH
21ORIG_1888*AHAMP
22ORIG_5427*APJIS
Heritage Plant
23ORIG_6492*ASMTH
24ORIG_3655*ASHRV
Heritage Plant
25ORIG_1796*APUSH
26ORIG_5321*APVA
Heritage Plant
272017_00158*AHCR
282017_00156*AHCR
292009_13227*AHORTPARK
30ORIG_8189*ASHLY
31ORIG_3654*ASHRV
Heritage Plant
322017_00154*AHCR
33ORIG_0527*AWOOD
Heritage Plant
342009_13113*AHORTPARK
352012_01056*ABCC
362018_01274*AMJIS
Heritage Plant
Dedicated/Memorial Plant
372018_01166*AHORTPARK
382022_00503*AHILL
392023_00145*AHORTPARK
402023_00167*AHORTPARK
412023_00167*BHORTPARK
422023_00202*BHORTPARK
432023_00234*APICK
442023_00234*BPICK
452023_00234*CPICK
462023_00234*DPICK
472023_00234*EPICK
482023_00234*FPICK
492023_00306*AHORTPARK
502023_00686*APSF
512023_00686*BPSF
522020_01166*AHORTPARK
532020_01166*BHORTPARK
542020_01166*CHORTPARK
552023_00555*AHORTPARK
562020_01166*DHORTPARK
572020_01166*EHORTPARK
582020_01166*FHORTPARK
592015_02467*A2550
602023_00768*ANWSB
612023_00768*BNWSB
622023_00768*CNWSB
632023_00768*DNWSB
642023_00768*ENWSB
652023_00768*FNWSB

The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department

Purdue Arboretum, 625 Agriculture Mall Dr, West Lafayette, IN, 47907
© 2024 Purdue University | An equal access/equal opportunity university | Integrity Statement | Copyright Complaints | Maintained by the Purdue Arboretum
Contact Purdue Arboretum at arboretum@purdue.edu for accessibility issues with this page | Accessibility Resources | Contact Us