Carya glabra
An eastern North American, long‑lived deciduous tree in the walnut family with a tall trunk, open oval crown, compound leaves with five leaflets, and pear‑shaped, thick‑shelled nuts in a green husk that wildlife readily eat, plus wood useful for fuel and various timber products.
Common Names
Pignut Hickory, Pignut, Broom Hickory, Small-Fruited Hickory, Sweet Pignut Hickory, Coast Pignut Hickory, Smoothbark Hickory, Swamp Hickory, Sweet Pignut, Hickory
Summary
Pignut hickory is a North American native tree in the Juglandaceae family, typically grows 50–65 ft tall with a 30–40 ft spread, though forest specimens can reach up to 100 ft, it features a dense oval crown and a straight trunk, leaves are 8–12 inches long, compound with 5–7 leaflets, turning golden yellow in fall, foliage is aromatic when crushed, the gray bark is smooth on young trees and develops ridges with age, the fruit is a pear-shaped nut with a rough husk and a bitter kernel, and the wood is heavy, hard, and versatile for tool handles, furniture, and sporting goods, native to much of eastern North America from Ontario to the Gulf Coast, it intergrades with other Carya species and exhibits regional variation, it grows best in full sun to partial shade on well-drained soils, tolerating clay, loam, or sand and showing drought tolerance once established, a long taproot makes transplanting difficult, propagation is by stratified seed or root sprouts, it can be used as a shade or landscape tree in parks or large yards, the nuts serve as a wildlife food source, while the wood is valued for many uses, pests such as borers, bagworms, fall webworms, and diseases like powdery mildew and leaf spot can occur, hardiness zones 4–9
Lifecycle
Perennial
Height
50-80 feet
Spread
30-40 feet
Hardiness Zones
Zones 4-9
Sunlight Requirements
Full Sun to Partial Shade.
Soil Type
Well-drained loamy soils
Soil Drainage
Well-drained soils, preferably acidic (light loamy or sandy soils); can be moist or occasionally dry.
Soil pH
6.0-7.5
Bloom Color
Yellow-green
Bloom Time
Spring (mid-March to early June)
Foliage Color
Dark green on the top and paler green beneath; may turn golden-yellow in fall.
Fall Foliage Color
Yellow to golden yellow
Leaf Lifecycle
Deciduous
Growth Rate
Slow-growing
Seasons of Interest
Spring and Fall.
Propagation Methods
Seeds, Cuttings, Division, Stumpsprouting
Attracts Wildlife
Attracts birds, Attracts butterflies, Attracts other pollinators
Taxonomy
- Taxonomic Rank
- Species
- Author
- (Mill.) Sweet
- Publication
- Hort. Brit. : 97 (1826)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Fagales
- Family
- Juglandaceae
- Genus
- Carya
Inferior Taxa
Carya glabra var. odorata Carya glabra var. megacarpa Carya glabra var. glabra
Synonyms
Juglans glabra Juglans porcina Scoria glabra Hicorius glabra Hicoria microcarpa Hicoria austrina Hicoria odorata Hicoria glabra var. odorata Hicoria ovalis var. odorata Hicoria glabra