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Black Walnut (Juglans nigra)

Black Walnut


anti-inflammatory, antifungal, antiviral, astringent, anti-emetic, laxative, pain-relieving, deworming, digestive, laxative

Areas of application:

Acne, psoriasis, eczema, warts, poison ivy dermatitis, skin blemishes, skin diseases, fungal infections, yeast infections of the intestines and skin, candida, athlete's foot, ringworm, itching, heat rashes, upset stomach, inflamed colon, diarrhea, constipation, inhibit the reproduction of viruses, including herpes viruses, HPV, HIV

Plant parts used:

The green peels are more effective than the ripe black peels. nuts

Collection time:


To find:

North America. Around 1900, black walnut trees were established in the floodplain forests of the Rhine and Danube, and today they form significant populations there.


Juglone, tannins, tannins, essential oil, fatty acids, polyphenols


The black walnut is a deciduous tree that can grow up to 30 meters high. It has a tall trunk with an oval crown. The bark is gray-black with deep, thin grooves that give the bark a diamond-shaped pattern. The buds are bright red covered with hairs. The terminal buds are 0.75 cm long and oval in shape. The side buds are smaller. The large 30 to 60 cm pinnate leaves are arranged alternately and have 13 to 23 leaflets, each 7.5 to 10 cm long. The leaflets have a round base, tapered ends and a serrated edge. The leaves are dark green, smooth on the upper side and hairy on the underside. The tree has both male flowers and female flowers. The males first appear on the hanging, approximately 7.5 to 10 cm long catkins of the previous year's shoot. The females appear on new growth in clusters of two to five flowers. The fruits ripen in autumn. A brownish-green shell covers the brown nut. The nut, including the shell, falls to the ground in October or November and can then be harvested. The seed is small and hard. The nut is odorless, but most parts of the tree have a characteristic pungent or spicy smell.

🛑 It is important to say that anyone who suffers from a nut allergy should also avoid black walnut. The risk during pregnancy is considered low, but it is best not to take black walnut if you are pregnant or breastfeeding.

Gloves should be worn when collecting black walnuts as the shell stains hands. To crack the nuts you need a hammer, a nutcracker or a vice.

In the kitchen you can eat the nuts either raw or cooked. The taste is sweet and intense.

If you want an excellent remedy against parasites and worm infestations, you can use the black walnut shell together with garlic, cloves, common mahonia and wormwood. It kills the eggs, larvae and the adult worms and parasites.

Black walnuts contain beneficial omega-3 fatty acids that are good for heart health.

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