Japanese walnut. Juglans sieboldiana. SEEDS 5 PCS

🌱 Juglans sieboldiana — Japanese Walnut

These are seeds of the Japanese walnut, a member of the Juglandaceae family, known for its valuable timber, edible nuts, and ability to purify the air. The Japanese walnut is a highly sought-after species due to its hardiness and versatility.

🌿 Botanical Description

The Japanese walnut tree can grow up to 20-23 meters in height and up to 50 cm in diameter. The bark is thick, dark gray or grayish-brown with numerous deep longitudinal cracks. Young branches are thick, red-brownish-green, densely pubescent, with small and numerous lentils. The leaves are large, 40-100 cm long, with 11-12 leaflets. The apical leaflets are lanceolate-oblong, elliptical, broadly oval or oval, often pointed, up to 12 cm long and 7 cm wide; the lateral leaflets are sessile, almost opposite, obovate-oblong or oval, pointed at the end, from 3.5 to 15 cm long and 2.5-5.5 cm wide, sharply toothed with dense stellate pubescence. Staminate catkins are 15-30 cm long. The walnut has two longitudinal ribs, 2-4 cm long, with a hairy, sticky surface, in hanging clusters, up to 20 pieces. The life expectancy of the Japanese walnut is 200-300 years.

🌾 Growing & Agrotechnics

• Sowing depth: 1-2 cm, timing: spring or autumn, pre-treatment: stratification for 30-60 days
• Germination temperature: 15-20°C, time: 30-60 days
• Soil type: nutritious, loose, well-drained, pH: 6.0-7.0
• Watering: regular, fertilization: balanced fertilizer in spring
• USDA Hardiness Zone: 4 (-34°C to -29°C), frost tolerance: high

🗺️ Natural Growing Areas

The Japanese walnut is native to Japan and parts of East Asia. It typically grows in mountainous regions with cool, moist climates. The species can thrive in a variety of habitats, including forests, woodlands, and along rivers. The altitude range for the Japanese walnut is from 500 to 2000 meters above sea level.

✨ Interesting Facts

The Japanese walnut has been used for centuries in traditional medicine and as a food source. The nuts are rich in antioxidants and have been shown to have numerous health benefits. The tree is also valued for its timber, which is highly prized for its durability and beauty. The Japanese walnut is also known for its ability to purify the air from gasoline and acetylene vapors, making it an excellent choice for urban landscapes.