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Juglans regia · Juglandaceae

Common Walnut

⚠️ Not safe for petsDeciduous, with a life cycle adapted to the Mediterranean climate.200 to 500 cm
Full sun.Moderate watering.MediumWithstands light frosts down to minus 5 degrees Celsius.

Description & origin

The common walnut is a large tree known for its nuts. It is a deciduous plant that adapts well to Mediterranean climates.

Size

Can reach large dimensions, ideal for spacious gardens.

Foliage

Deciduous foliage, loses leaves in winter.

Flowering

This species does not produce flowers in domestic cultivation.

Detailed care

Light

Prefers full sun for healthy growth.

Soil

Well-drained and fertile soil.

Watering

Moderate watering, avoiding waterlogging.

Temperature

Tolerates light frosts, ideal for temperate climates.

Fertilising

Fertilize in spring with balanced fertilizer.

Repotting

Transplant in spring or autumn.

Pruning

Prune in winter to maintain shape and remove dead branches.

Propagation

Propagation by seeds or grafting.

Common problems

Pests

Can be attacked by aphids and caterpillars.

Fungal diseases

Susceptible to diseases like anthracnose.

Nutrient deficiency

May show chlorosis if soil is nutrient-poor.

Uses & curiosities

In the garden

  • Shade tree
  • Nut production
  • Wildlife attraction

Other uses

Walnuts are used in cooking and oil production.

Did you know…

Walnuts are rich in omega-3 fatty acids and are consumed worldwide.