Pignut Hickory

Pignut Hickory Carya GlabraPignut hickory (Carya glabra) grows on well drained upland slopes in extreme southeast Iowa.

Hardiness: Zones 5 through 9

Growth Rate: Moderate

Mature Shape: Ovular crown

Height: 50-65 feet

Width: 30-40 feet

Site Requirements: Full to partial sun; tolerates clay, loam, slightly alkaline, acidic, occasionally wet, well-drained soil

Flowering Dates: April - May

Seed Dispersal Dates: September - December

Seed Bearing Age: 30 years

Seed Bearing Frequency: Every 1-2 years

Seed Stratification: Prechill for 4 months at 34°F to 40°F