Largest horse chestnut tree in Hughenden undergoes emergency surgery

The horse chestnut tree was awarded Champion status in 2014 after rangers measured its girth at 7.33m (just over 24 feet).

After beating its nearest rival in Whitchurch, Hampshire by 13cm, the tree is featured in the book ’50 Great Trees of the National Trust’.

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Hughenden horse chestnut tree (Image: Newsquest)

National Trust rangers are helping the 'iconic' tree survive by taking some of the weight from the ends of the branches and propping some branches up with hand-crafted props made from fallen timber from the Hughenden estate.

They said this will prevent the lower branches tearing and gives the team time to build up the soil beneath the remaining limbs to encourage them to meet the ground and put down new roots.

Newsquest (Image: Newsquest)

A new estate fence will then be erected around the tree to prevent the conservation grazing cattle from munching the lower leaves that develop.

Nicholas Charon, Area Ranger for the Central Chilterns, said: "We’re extremely sad to see it declining. 

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"It’s grown so well over the years because of its location next to a chalk stream, but it’s now in the final third of its life and we’re doing what we can to extend that. We’re continuing to work with natural processes and the living parts of the crown to see if we can keep the tree going. It has had everything thrown at it in the last few years, including storms, intense droughts, leaf miner attacks and ganoderma fungus weakening its trunk. Honey fungus, which can often signal the final straw for ailing trees, has also moved in."

There is hope, the National Trust say, as the horse chestnut tree is 'doing what it does best' to ensure the next generaition.

Tom Hill, National Trust Trees and Woodland Adviser said: "The weight of the living parts of the tree are slowly pulling the outer branch tips to the ground, which gives them a good chance of re-rooting to produce offspring, close to the parent tree. Our challenge is to help the tree complete this next step in its evolution gradually over the years ahead and before the original trunk collapses entirely.

"We’re currently creating a long-term vision and clear framework for protecting our ancient and veteran trees across the National Trust.

"We need extra funding to achieve all the work that is needed, but in the meantime, it’s essential to prevent our really important trees from disappearing."