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Photo: Tomofumi Sato (CC BY-SA 3.0)
The Kubo-zakura of Isazawa
Photo: Tomofumi Sato (CC BY-SA 3.0)See it at full size

The Kubo-zakura of Isazawa

Years old1000-1300
Girth8.1 m
SpeciesEdo-higan Cherry

Seasons1 of 4

Someone sheltering in the hollow at its base lit a cooking fire, and the Kubo-zakura lost two of its main limbs to it. That was the nineteenth century. The burn reshaped the crown into what now reads as two trees fused at the foot, and the tree has leaned on props ever since. More than sixty of them hold it up today. It is one of the largest Edo-higan cherries in Tohoku: 13.85 metres tall, 8.1 metres round the trunk, 10.8 at the root collar, and a national Natural Monument since December 1924. An older nickname, Yontan-zakura, remembers a canopy said to have spread across roughly forty ares. The legends are worth telling as legends. A 1925 prefectural survey recorded that the shogun Sakanoue no Tamuramaro planted it on the grave of Otama of the Kubo clan, who died of grief when his campaign moved on; other local versions credit a grieving lord. Both are stories, and so is the traditional age of 1,200 years. What is on record is that the lord of Yonezawa came to watch it bloom in the 1830s and 40s, and that the ten-are plot beneath it paid no tax until the Meiji Restoration. Burnt heartwood cannot grow the fresh roots an old cherry uses to renew itself, so since 2006 conservators have packed peat moss and charcoal around the wound. By 2010 new roots up to three centimetres thick had reached the ground.

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Getting there

Kami-Isazawa, Nagai, Yamagata 993-0021, Japan (beside Isazawa Elementary School, western Nagai)

You can recognise it by its crown reading as two trees fused at the base, after fire burned out two main limbs, now held up by more than sixty props. It stands beside Isazawa Elementary School in western Nagai.

Free. Public natural monument with its own free parking (17 spaces, 7 for tour buses); extra temporary parking is opened during the blossom festival.

About 10 minutes by taxi from Yamagata Railway (Flower Nagai Line) Nagai Station; about 20 minutes by car from the Nanyo-Takahashi interchange of the Tohoku Chuo Expressway.

The tree's year
now JanFebMarAprMayJunJulAugSepOctNovDec

In bloom

late April, when it blooms and the festival lights it after dark

The line is our estimate of how much there is to see, not a measurement. Typical for this species where this tree stands; exact weeks shift with the year.

Sources

Where the facts on this page come from. The story was written with AI from these sources, and readers who know the tree correct it.

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The Kubo-zakura of Isazawa

For example: “Best seen from the north side around four, when the sun comes through.” Or: “There was a church on this square until 1755.”

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