Common name: Black Walnut.
Native: Eastern and Central USA.
Size and spread (10 years): 5m x 2m
Treatment required: Mildly dormant requires 16 weeks stratification treatment.
Seeds / kg: c. 55 90% viable
Ideal sowing period: Spring
Soil conditions: Fertile moist soils
Planting instructions: Full sun and a warm spot for best fruiting.
Mature height: 30m