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Design & Sourcing

Natural Rubber from Dandelions: Taraxagum

Dandelions on a field

We are convinced that the realisation of natural rubber from dandelions is a decisive step in the tire industry. With its potential to make our products and production processes even more sustainable, dandelion rubber is an important part of our extensive sustainability activities.

We have been researching the industrial use of dandelion rubber since 2011. There are several milestones along the way that we are proud of:

Funded by the European Union from the Operational Programme of the European Regional Development Fund in the funding period 2014 - 2020.

The Benefits of Dandelion

Russian dandelion (Taraxacum kok-saghyz) is a relatively low-maintenance plant that contains a high volume of natural rubber and grows in temperate regions across the world. This is a major advantage over the rubber tree (Hevea brasiliensis), which grows only in tropical climates – today mainly in Southeast Asia. Dandelion, however, can thrive equally well in North America and Europe. And it’s easy to cultivate, too: One field of dandelions is ready to harvest after just one or two years. All these factors mean that cultivation areas could be situated close to tire plants, which, among other key advantages, would help to reduce transportation distances.

Through its Taraxagum project, Continental is seeking to do its part to prevent ongoing tropical deforestation and reduce the carbon emission resulting from the long distances involved in transporting conventional natural rubber.


Dandelion field

Continental's Research Endeavors

In collaboration with its partners, Continental rediscovered the huge potential of the dandelion back in 2011 and became the first tire manufacturer to invest significant resources across the value chain. The multi-award winning Taraxagum project launched by Continental, the Fraunhofer Institute for Molecular Biology and Applied Ecology (IME) and University of Münster aims to pave the way for natural rubber that is obtained from the dandelion plant and can be used for all kinds of tires and other industrial rubber applications. In late 2018, a research center – Taraxagum Lab Anklam – was opened in Germany, 180 kilometers north of Berlin.

In collaboration with a number of project partners, Continental is investigating in particular the industrial application of dandelion rubber along the entire value chain, from breeding, seed production and cultivation through to harvesting, root processing and rubber extraction. The challenges, however, are many and varied. Scientists have already succeeded in decoding the genome of the dandelion and learning about its metabolism. This is vital for supporting conventional breeding methods applied to further increase the amount of rubber in the dandelion latex.

A number of projects are also underway exploring some of the more pragmatic issues that need to be resolved. For example, Continental is working with partners to develop field machinery for harvesting the dandelion roots without damaging them. The aim is to harvest one metric ton of rubber per hectare of cultivated dandelions, which roughly corresponds to the yield from one hectare of traditional rubber trees. This would enable Continental to cover some of its future rubber requirements from a new, sustainable source.


Dandelion Tires

Tires made from natural rubber obtained from dandelion roots exhibit properties comparable to those made from natural rubber obtained from rubber trees, as has been proven in extensive product and tire testing. Depending on the intended purpose (summer, winter or all-season tires), natural rubber accounts for between 10 percent and 30 percent of the total weight of a Continental tire – and even as much as 40 percent of the total weight of a truck tire. In 2014, an experimental tire of the WinterContact TS 850 P model with a tread made from dandelion rubber underwent comprehensive testing and passed with flying colors. At the 2016 International Motor Show Germany, Continental unveiled its first truck tire made from dandelion rubber.

A Taraxagum bicycle tire from Continental is already on the market. Urban Taraxagum was unveiled at Eurobike 2018 and is the world’s first series-produced tire featuring a tread made from pure dandelion rubber. Continental sees until the end of this decade - as things stand today - as research phase, until specific industrialization steps can be taken.

A Bicycle on the street with Urban Taraxagum tires

Natural Rubber

Natural rubber is a valuable commodity. It can be found in many rubber products – and especially in tires. Rubber is traditionally extracted from the latex – a milky fluid similar to sap – of the tropical rubber tree. As far back as 1,600 years ago, the indigenousInca people made use of the “tears of the tree”, making balls from natural rubber by drying the latex and allowing it to agglutinate. It was not until the 19th century that the chemical process of vulcanization – whereby rubber and other substances are heated under pressure – turned the sticky natural rubber into a valuable commodity suitable for industrial use. From then on, the demand for rubber skyrocketed and the search for alternative sources quickly began.

In around 1930, researchers found a previously undiscovered variety of dandelion – Taraxacum kok-saghyz, commonly known as the Russian dandelion – growing in the mountains of Kazakhstan. They found that it contained a high volume of natural rubber, especially in its root.

Dandelion on a field

Flyer Taraxagum - Natural rubber from dandelion

Flyer Taraxagum - Natural rubber from dandelion

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More Information

Team image German Sustainability Award

Continental Tire made of Dandelion Rubber wins German Sustainability Award

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Continental Urban Taraxagum tire

Team of Continental, Fraunhofer IME and the University of Münster Nominated for Federal President's Award

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Dandelion Field

Research network for the extraction of dandelion rubber strengthened by additional growers.

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Press Releases


Research Network Focusing on the Acquisition of Dandelion Rubber Includes Additional Plant Breeder

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Team Deutscher Nachhaltigkeitspreis

Taraxagum Among the Finalists of Federal President's Award 2021

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Continental Urban Taraxagum Reifen

Team of Continental, Fraunhofer IME and the University of Münster Nominated for Federal President's Award

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Team Deutscher Nachhaltigkeitspreis

Continental Tire made of Dandelion Rubber wins German Sustainability Award

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Team Deutscher Nachhaltigkeitspreis

Continental Opens “Taraxagum Lab Anklam” Research Laboratory for Dandelion Rubber

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