Quercus marilandica
Blackjack Oak

 Plant Type:
 Hardiness:
 Deciduous / Evergreen:
 Flowers:
Green (Monoecious catkins in spring; not ornamentally important)
 Foliage:
Green (Glossy, deep green summer foliage); Multi-Colored (Fall color can vary from an insignificant yellow-brown to handsome red and russet)
 Fruit:
Brown (0.75-1" long, oblong acorns covered halfway by cap; attractive to wildlife)
 Ultimate Height:
20-40 feet
 Ultimate Spread:
20-40 feet
 Light Requirements:
 Soil:
Very adaptable to poor, dry, infertile sites, but not poorly drained situations
 Range:
Central and southeastern United States
 Diagnostic Characteristics:
The lustrous, leathery, dark green leaves (4-8" long) are simple and alternate with 3-5 very broad and shallow bristle-tipped lobes near the wide apex. Stems are reddish and pubescent initially, becoming grayish-brown and lenticelled with age. Bark becomes plated on older trees.
 Special Characteristics:

Additional Information

The Blackjack Oak is a small to medium sized tree with distinct, stout, irregular branches. It is very tolerant of poor, dry conditions, but does not tolerate wet conditions. This oak's common name is in reference to its dark, blackjack-like leaves.

1 Quercus marilandica found

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= Heritage plant = Memorial plant
Number Accession ID Location
12018_00892*AHERL

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