Walnut, Persian walnut, English walnut

Where does Walnut grow?

Found in: Afghanistan, Africa, Albania, Armenia, Asia, Australia, Austria, Azerbaijan, Balkans, Bangladesh, Bhutan, Bosnia, Britain, Bulgaria, Canada, Caucasus, Central Asia, China, Europe, France, Georgia, Germany, Greece, Himalayas, Hungary, India, Indochina, Iran, Iraq, Ireland, Italy, Kazakhstan, Korea, Kyrgyzstan, Laos, Lebanon, Lithuania, Luxembourg, Macedonia, Mexico, Moldavia, Moldova, Myanmar, Nepal, North America, Northeastern India, NW India, Pacific, Pakistan, Papua New Guinea, PNG, Portugal, Romania, Russia, SE Asia, Serbia, Sikkim, Slovenia, Spain, Switzerland, Tajikistan, Tasmania, Tibet, Turkey, Turkmenistan, Ukraine, Uruguay, United States, Uzbekistan, Vietnam, Yugoslavia

Notes: There are about 30 Juglans species. All species bear edible nuts.

Status: Seeds have been introduced into Papua New Guinea for trial plantings only. About 1 million tons are produced worldwide each year.

Growing Walnut, Persian walnut, English walnut

Cultivation: Trees can be grown from seeds but quality is often variable. It is best to used grafted trees. They can be pruned. Pruning should be done during the summer as calluses form more easily preventing bleeding. Seedling plants are spaced 10 m apart and budded plants are put 8 m apart. They easily become boron deficient.

Edible Uses: The kernels of the nuts are eaten raw or cooked. They are used on cakes, ice cream sauces, soups etc. The young green fruit can be pickled in vinegar and eaten. They can also be made into jams and preserves. Oil is extracted from the fruit. The remainder can be used in bread. The trees yield a sweet sap made into syrup or sugar. The leaves are added to lactofermented cucumbers.

Production: Seedling trees can produce nuts in 8-12 years. Grafted trees can produce in 4 years. Trees can live for 150 years. A good tree produces about 150 kg of nuts per year but 40-50 kg is more average. Nuts are harvested when the hulls start to turn yellow and crack. Nuts can also be collected from the ground.

Nutrition Info

Walnut, Persian walnut, English walnut Photos

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