Daisugi, the 600-Year-Old Japanese Technique of Growing Trees Out of Other Trees, Creating Perfectly Straight Lumber

Image by Wrath of Gnon

We’ve all admired the elegance of Japan’s traditional styles of architecture. Their development required the kind of dedicated craftsmanship that takes generations to cultivate — but also, more practically speaking, no small amount of wood. By the 15th century, Japan already faced a shortage of seedlings, as well as land on which to properly cultivate the trees in the first place. Necessity being the mother of invention, this led to the creation of an ingenious solution: daisugi, the growing of additional trees, in effect, out of existing trees — creating, in other words, a kind of giant bonsai.

“Written as 台杉 and literally meaning platform cedar, the technique resulted in a tree that resembled an open palm with multiple trees growing out if it, perfectly vertical,” writes Spoon and Tamago’s Johnny Waldman. “Done right, the technique can prevent deforestation and result in perfectly round and straight timber known as taruki, which are used in the roofs of Japanese teahouses.”




These teahouses are still prominent in Kyoto, a city still known for its traditional cultural heritage, and not coincidentally where daisugi first developed. “It’s said that it was Kyoto’s preeminent tea master, Sen-no-rikyu, who demanded perfection in the Kitayama cedar during the 16th century,” writes My Modern Met’s Jessica Stewart.

At the time “a form of very straight and stylized sukiya-zukuri architecture was high fashion, but there simply weren’t nearly enough raw materials to build these homes for every noble or samurai who wanted one,” says a thread by Twitter account Wrath of Gnon, which includes these and other photos of daisugi in action. “Hence this clever solution of using bonsai techniques on trees.” Aesthetics aside — as far aside as they ever get in Japan, at any rate — “the lumber produced in this method is 140% as flexible as standard cedar and 200% as dense/strong,” making it “absolutely perfect for rafters and roof timber.” And not only is daisugi‘s product straight, slender, and typhoon-resistant, it’s marveled at around the world 600 years later. Of how many forestry techniques can we say the same?

via Spoon and Tamago

Related Content:

The Art & Philosophy of Bonsai

This 392-Year-Old Bonsai Tree Survived the Hiroshima Atomic Blast & Still Flourishes Today: The Power of Resilience

The Philosophical Appreciation of Rocks in China & Japan: A Short Introduction to an Ancient Tradition

The Secret Language of Trees: A Charming Animated Lesson Explains How Trees Share Information with Each Other

The Social Lives of Trees: Science Reveals How Trees Mysteriously Talk to Each Other, Work Together & Form Nurturing Families

A Digital Animation Compares the Size of Trees: From the 3-Inch Bonsai, to the 300-Foot Sequoia

Based in Seoul, Colin Marshall writes and broadcasts on cities, language, and culture. His projects include the Substack newsletter Books on Cities, the book The Stateless City: a Walk through 21st-Century Los Angeles and the video series The City in Cinema. Follow him on Twitter at @colinmarshall, on Facebook, or on Instagram.


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  • David Tracey says:

    Interesting take but I’m not buying.

    Yes trees can be pruned to affect future growth, but not to change their genetic dispositions to be tall or straight or whatever. You can keep pruning for some ongoing desired effect, as I suspect the trees in these pics have been to remove all branches up to the highest level of the canopy. I suppose that could help in ensuring a smooth and straight trunk. But calling something a “giant bonsai” is a puzzler. Isn’t that another word for “tree”?

    Also it seemed odd to try to grow trees this tall on the weak support of branches as seen in the top picture. Comparing the two pics made me think all the more we’re being fed some guff. Look at the trunks in the two pics to see what I mean.

    Anyway, just some random first impressions with zero research so if I’m wrong, sorry. I hope the writer continues to find and report on interesting international tree news — always a worthy topic.

  • sdaf says:

    It does seem a little bit too perfect, why would the trees grow straight just because they are on other trees?

  • cm83 says:

    This require a lot of work. You need to carefully prune them every two years (so you can remove all the knots in the wood) for twenty years.
    Here’s your giant bonsai

  • Ivo says:

    Also known as ‘coppicing’ in the West, a common practise … it’s not that unusual!

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