Monkey puzzle tree

Photo: lautaroj · CC BY 2.0

Trees

Monkey puzzle tree

Araucaria araucana

With its rigid branches covered in triangular, spiny leaves, the monkey puzzle tree is a majestic and very ancient conifer, a true living fossil of the Andes.

Characteristics

Scientific nameAraucaria araucana
Heightfino a 40 m
SunlightFull sun
WaterRegular, cool soil
SoilWell-drained, even poor or volcanic
ToxicityNon-toxic; the seeds are edible
GrowthSlow, long-lived
TemperatureHardy, loves cool, humid climates
IrrigationRegular when young, then resistant

A prehistoric tree

The monkey puzzle tree, also often called the Chilean pine, is one of the most fascinating and ancient trees on the planet, a true living fossil belonging to a lineage of conifers dating back millions of years. It has an unmistakable appearance: a straight, columnar trunk, topped in adult specimens by an umbrella-like crown, and rigid branches covered with leathery, triangular, pointed and sharp leaves arranged in a spiral. It is precisely these spiny leaves, which make climbing difficult, that inspired the curious nickname linked to monkeys.

Habitat and distribution

The monkey puzzle tree is native to the mountainous regions of South America, between Chile and Argentina, where it grows on the slopes of the Andes and in high-altitude temperate forests. It is adapted to cool, humid climates and to soils that may even be poor and volcanic. It is a long-lived tree that can live for many centuries, and some monumental specimens reach considerable ages.

Precious seeds and cultural value

The monkey puzzle produces large cones containing edible seeds, the so-called Andean 'pine nuts', rich in nutrients. These seeds have for centuries been an important food for the indigenous peoples of the region, in particular the Mapuche, for whom the tree also has a deep sacred and cultural value. The gathering of its fruits is traditionally tied to the life of these communities.

Cultivation

Thanks to its spectacular form, the monkey puzzle is grown as an ornamental tree in parks and large gardens in many temperate regions of the world. It loves sunny positions and well-drained soils, and is quite hardy, although it grows slowly. It requires adequate space, given the size it can reach in adulthood.

Conservation

The monkey puzzle tree is classified as an endangered species. The main threats are the destruction of forests, fires and environmental changes affecting its natural habitat. Protecting the ancient Andean forests where it grows is essential for the survival of this extraordinary witness of the planet's distant past.

Practical tips

Watering

Water needs: Regular, cool soil — always check soil moisture before watering.

Position

Prefers Full sun: provide the right light and rotate the plant for even growth.

Substrate

Recommended soil: Well-drained, even poor or volcanic. Refresh the substrate every 1-2 years.

Leaves

Dust the leaves with a damp cloth to support photosynthesis.

Feeding

Feed during the growing season (spring-summer) and stop in winter.

Pros

  • Living fossil with a spectacular appearance
  • Long-lived, living for many centuries
  • Produces edible, nutritious seeds
  • Imposing ornamental for parks and large gardens

Cons

  • Endangered species in the wild
  • Slow growth
  • Requires much space in adulthood

FAQ

Why is it called the 'monkey puzzle' tree?
For its leathery, triangular, pointed and sharp leaves that cover the branches, making climbing the tree difficult and unpleasant. This curious nickname arose from the idea that not even a monkey could climb it.
Is the monkey puzzle really a living fossil?
Yes. It belongs to a very ancient lineage of conifers, dating back millions of years. Its form and biology have retained very archaic features, witnesses to a distant geological past.
Are the monkey puzzle's seeds edible?
Yes. It produces large cones with edible seeds, the Andean 'pine nuts', rich in nutrients. They have for centuries been an important food for the indigenous peoples of the region, in particular the Mapuche.
Can the monkey puzzle be grown in a garden?
Yes, it is grown as an ornamental tree in many temperate regions. It loves full sun and well-drained soils and is hardy, but grows slowly and requires adequate space given its size when adult.

You may also like