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Walnuts

Walnuts


At Parentesen and Ulrikedal, you can find walnut trees that students are welcome to pick from. Here you can learn where the trees are located, when the walnuts are ripe and how they can be used.

Harvest season

Walnuts are harvested from September to October, sometimes as late as November. They are ripe when the green outer husk starts to split.

Remove the green husk as soon as possible and allow the walnuts to dry in a dry, well-ventilated place. Otherwise, they may develop mould.

Tip: Wear gloves when handling fresh walnuts. The green husk can stain your fingers dark brown.

How to use walnuts

There are many ways to enjoy walnuts:

  • Eat them as a snack
  • Roast them and sprinkle over salads or yoghurt
  • Use them in bread, cakes and other baked goods

 

Health benefits

Walnuts are highly nutritious. They contain healthy fats, protein, vitamins and minerals. They are particularly rich in omega-3 fatty acids.

History and fun facts

The walnut (Juglans regia) is one of humanity's oldest food sources. It is believed to have originated in Persia and Central Asia.

During the Ice Age, walnut trees disappeared from Europe. They were later reintroduced and spread with the help of people. In Sweden, walnut trees began to be planted during the Middle Ages, and monks played an important role in their spread.

Walnut trees were often planted near farms and parsonages as protective or symbolic trees. They thrive best in southern Sweden and in sheltered locations.

Did you know that the walnut is not actually a nut in botanical terms? It is classified as a fruit.

Find the walnut trees

View our map showing all fruit trees in our housing areas. You can filter the map by different types of fruit.

Walnut trees can be found at Parentesen and Ulrikedal.

Recipes with walnuts


Latest update July 16, 2026