Kauri: New Zealand's national treasure, with high value for greening and timber

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Introduction

Kauri is one of the largest and longest-lived tree species in the world. Kauri can live for more than 2,000 years, reach a height of 60 meters and a diameter of more than 5 meters.

Kauri is a tall and graceful evergreen conifer with high landscape value. Its wood is also of high value.

Therefore, it is known as the national treasure of New Zealand . Currently, the logging of kauri is prohibited in New Zealand.

Introduction to Kauri

Morphological characteristics: Araucariaceae, Kauri genus, evergreen coniferous large tree, conical crown, up to 38m high, with a breast diameter of up to 2m;

Origin: Native to both sides of the equator in the South Pacific, between 11° south latitude and 20° north latitude in Indonesia, Papua New Guinea, Malaysia and the Philippines, growing at altitudes between 100 and 1600 meters.
Kauri is a sun-loving tree that prefers a warm and humid climate. It is not cold-tolerant or shade-tolerant.

Kauri Fruit

Introduction and cultivation history

It was introduced by overseas Chinese to Fuzhou and Xiamen for cultivation at the end of the 19th century. The original tree is still well preserved, 35m tall and 105cm in diameter. It has been successfully introduced and cultivated in Fuzhou, Xiamen, Putian, Yongchun, Fu'an, Guangzhou, Nanning, Hainan and other places.


Giant Kauri

Landscape use

Kauri can only be planted in the subtropical coastal areas of Fujian, south of the Tropic of Cancer in Guangdong and Guangxi, south of Simao in Yunnan, and Hainan, and requires a minimum winter temperature of 10°C or above.
If the temperature is lower than this, it will easily freeze to death.

Kauri leaves

Solitary planting in the garden: Kauri has a tall body and graceful appearance. It is often used as an independent landscape element, planted isolatedly in a square, park or garden somewhere.

  2. Planting in pairs or rows in front of buildings : Kauri can be planted in front of buildings as decorative plants. Kauri can also be planted in rows at a certain distance on both sides of the road to form a green corridor effect.
    Planting in rows around monuments: Kauri is often used for planting in rows around monuments or monuments.
    This planting method can create a solemn atmosphere and add a sense of dignity and dignity to the memorial site.

The timber value of Kauri
Some of the main uses for Kauri wood:
  1. Construction: Kauri wood is often used in building structures such as beams, floors and bridges due to its hard and durable properties. Its stability and resistance to decay make it ideal for high-quality construction.
  2. Furniture: Kauri wood has beautiful texture and color and is often used to make high-end furniture such as tables, chairs, wardrobes and beds. Its strong characteristics ensure the quality and longevity of the furniture.
  3. Musical Instruments: Kauri wood has a long history of use in the making of musical instruments. It is often used to make the soundboards of stringed instruments (such as violins and cellos) and the casings of wind instruments (such as saxophones). The resonant properties and sound quality of Kauri wood make it a material of choice for making high-quality musical instruments.

  4. 4. The trunk of the kauri tree is rich in resin, among which the maidala resin is widely used in industry and medicine.
  5. Medara resin has excellent adhesion and chemical resistance and is often used to make adhesives, coatings, sealants and some uses in the medical field.

Market prospects
There are few nurseries for growing Kauri in China. In South China, Kauri can be planted on barren hills, and the prospect is good.

Trees with good shapes can be sold as landscaping trees, which have relatively high returns.

The world's tallest kauri tree in New Zealand
Landscaping Planting Design