Juglans mandshurica
TAXONOMY
FamilyJuglandaceae
GenusJuglans
Zone4
LEARN MORE
Plants of the World OnlineABOUT
Juglans mandshurica, commonly known as the Manchurian walnut, is a deciduous tree native to northeastern Asia, including parts of China, Korea, and Russia. It is part of the Juglandaceae family and can grow up to 25 meters tall. The tree is known for its large, compound leaves and edible nuts. It prefers temperate climates and undergoes a dormancy period during the winter months.
ALSO KNOWN AS
Japanese Walnut
Manchurian Walnut
Juglans cathayensis
Juglans cathayensis var. formosana
Juglans collapsa
Juglans draconis
Juglans formosana
Juglans stenocarpa
OVERVIEW
VPDCalculate
WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature15° C
Humidity60%
Dormancy4 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
The Manchurian walnut tree requires direct bright light and moderate temperatures. It thrives in environments with moderate humidity. Regular watering is essential, but the soil should be allowed to dry out partially between waterings. The tree is best suited for outdoor growth.Soil
Juglans mandshurica prefers well-draining loamy soil that is rich in nutrients. The soil should be kept moderately moist but not waterlogged. A slightly acidic to neutral pH is ideal for this tree.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 is recommended. Fertilize the tree in early spring and again in mid-summer to support its growth and nut production.Repotting
Repotting is generally not required for outdoor trees. However, if grown in a container, repot the tree every 2-3 years to provide fresh soil and adequate space for root growth. Repot in early spring before new growth begins.Propagation
Propagation of Juglans mandshurica can be done through seeds or grafting. Seeds should be stratified before planting to improve germination rates. Grafting is typically done in late winter or early spring.Pruning
Pruning is necessary to maintain the tree's shape and remove any dead or diseased branches. Prune in late winter or early spring before new growth starts. Regular pruning helps improve air circulation and light penetration.Toxicity
The leaves, bark, and nuts of Juglans mandshurica contain juglone, a compound that can be toxic to certain plants and animals. It is particularly harmful to horses and can cause gastrointestinal distress in pets if ingested.Additional
The Manchurian walnut tree is valued for its timber and nuts. The wood is hard and durable, making it suitable for furniture and flooring. The nuts are edible and can be used in various culinary applications.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
