FNPS Plant Database
Carya glabra
pignut hickory
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Nomenclature
Common Name:
pignut hickory
Synonym(s):
Genus species:
Carya glabra
Family:
Juglandaceae
Plant Specifics
Form:
tree
Size:
30-100 ft tall by 30-50 (100) ft wide
Life Span:
long-lived perennial; lifespan 200+ years (much older trees are known)
Flower Color:
yellow, green
Fruit Color:
brown
Phenology:
deciduous; inconspicuous blooms in spring, yellow leaves and ripe nuts in fall
Noted For:
Landscaping
Recommended Uses:
Excellent specimen or shade tree in areas where its roots will not be disturbed.
Considerations:
Does not tolerate root disturbance. The author has lost multiple trees due to a fungal root pathogen that was apparently able to enter the tree when roots were disturbed by vehicles and construction. Nut and leaf litter can be a problem in residential landscapes.
Availability:
Propagation:
seed
Light:
Moisture Tolerance:
Always Flooded------------------------------------------------Extremely Dry
Usually moist, occasional inundation ---to--- Very long very dry periods
Salt Water Flooding Tolerance:
Not salt tolerant of inundation by salty or brackish water
Salt Spray/Salty Soil Tolerance:
Low/no tolerance of salty wind or direct salt spray
Soil or Other Substrate:
Loam, Sand
Soil pH:
mildly acidic to neutral
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:
A favorite food of squirrels.
Larval host for many moths including; luna moth (Actias luna), hickory leafroller moth (Argyrotaenia juglandana), royal walnut moth (Citheronia regalis), and walnut sphinx (Amorpha juglandis).
Native Habitats:
Xeric hammock, mixed upland forest, pine-oak-hickory woods
Natural Range in Florida:
Visit the USF Libraries Atlas of Florida Plants
Comments:
Ethnobotany:
Nuts vary but in general, they are bitter.
General Comments:
Called pignut because pigs eat the nuts.
Citations:
Huegel, Craig N. 2010. Native Plant Landscaping for Florida Wildlife. University Press of Florida, Gainesville.
Nelson, Gil. 2003. Florida's Best Landscape Plants: 200 Readily Available Species for Homeowners and Professionals. University Press of Florida, Gainesville.
Nelson, Gil. 1994. The Trees of Florida: A Reference and Field Guide. Pineapple Press: Sarasota.






