FNPS Plant Database

Quercus marilandica

black-jack oak

PHOTOS COMING SOON!

Nomenclature

Common Name:

black-jack oak

Synonym(s):

Genus species:

Quercus marilandica

Family:

Fagaceae

Plant Specifics

Form:

tree

Size:

20-45 ft tall by 20-40 ft wide

Life Span:

Long-lived perennial

Flower Color:

NA

Fruit Color:

brown

Phenology:

deciduous

Noted For:

Landscaping

Recommended Uses:

Small to medium tree often with somewhat scruffy form. Retain in a natural setting if present.

Considerations:

Fallen/falling acorns can be an issue.

Availability:

Native Nurseries, Seed

Propagation:

Seed.

Light:

Full Sun, Part Sun

Moisture Tolerance:

Always Flooded------------------------------------------------Extremely Dry

Coming Soon!

Not wet but not extremely dry ---to--- Very long very dry periods

Salt Water Flooding Tolerance:

Unknown

Salt Spray/Salty Soil Tolerance:

Low/no tolerance of salty wind or direct salt spray

Soil or Other Substrate:

Sand

Soil pH:

Acidic

Suitable to Grow In:

8A,8B,9A,9B

USDA zones are based on the average annual extreme minimum winter temperature.



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Ecology

Wildlife:

Caterpillars, Mammals

Host plant for the White-M Hairstreak and Horace's Duskywing butterflies.



  • The acorns are eaten by woodpeckers, blue jays, white-breasted nuthatches, American crows and wild turkey


  • Attracts small mammals including squirrels, white-tailed deer and black bear.


Native Habitats:

Pine-oak-hickory woods, dry longleaf pinelands with loamy soils or clay hardpan, dry secondary woods.

Natural Range in Florida:

Comments:

Ethnobotany:

General Comments:

Citations:

Huegel, Craig, N.  2010.  Native plant landscaping for Florida wildlife.  University Press of Florida, Gainesville, FL. (wildlife uses)



Minno, Marc and Maria Minno.  1999.   Florida butterfly gardening.  University Press of Florida, Gainesville.



Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2021.  Atlas of Florida Plants  (http://florida.plantatlas.usf.edu/).  Institute for Systematic Botany, University of South Florida, Tampa.

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