FNPS Plant Database

Quercus marilandica

black-jack oak
  • Photo by: Shirley Denton, Suncoast Chapter FNPS

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:

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

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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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Vouchered In:

Distribution
Vouchered
Not vouchered
Selected
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No county distribution is available for this plant yet.
Starting…
Map coded by Melissa Fernandez-de Cespedes (Paynes Prairie Chapter)

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:

FNPS Plant Print

Citations:

Huegel, Craig N. (2010). Native Plant Landscaping for Florida Wildlife. University Press of Florida, Gainesville.


Minno, Marc, and Maria Minno. (1999). Florida Butterfly Gardening: A Complete Guide to Attracting, Identifying, and Enjoying Butterflies. University Press of Florida, Gainesville.


Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. (1999+). Atlas of Florida Plants. ( https://florida.plantatlas.usf.edu/ ). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa.

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