Arizona Walnut

Juglans major

Physical Characteristics

Juglans major is a deciduous Tree growing to 15 m (49ft 3in) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 9. It is in flower from May to June, and the seeds ripen from October to December. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind. The plant is self-fertile. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers moist soil.

Distribution

Southern N. America - New Mexico to Arizona.

Habitats

Woodland Garden Canopy;

Edible Uses

Edible Parts: Oil Seed Edible Uses: Oil Seed - raw or cooked[257]. The seed is rather small, but it is sometimes eaten[82, 161, 183]. Of little value[177]. The seed is large and sweet[227] with a thick shell[200, 227]. There are about 45 seeds to the pound[227]. The seeds are 25 - 40mm in diameter[229]. An edible oil is obtained from the seed, it tends to go rancid quickly.

Medicinal Uses

None known

Known Hazards

None known