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Homegrown success - the 80,000 tree seedlings helping us to plant for the future

Homegrown success - the 80,000 tree seedlings helping us to plant for the future

The expression ‘great oaks from little acorns grow’ is nowhere more true than on our Estate, where over 20,000 acorns have been collected this year alone as part of our extensive in-house tree growing programme.

Our Estate is home to the greatest number of ancient oak trees anywhere in Europe, with some of the trees dating back to around 1000 AD. 

The Forestry team on our Estate has been collecting acorns since 2016 to ensure the incredible trees will still be there hundreds of years from now. By using their own stock, they also reduce the risk of external infection and disease.

Forester, Rob Burgess, collected 1,000 acorns in 2016, and began the process of seeding them and placing them within the greenhouse, to inevitably plant in the Spring. 

In 2020, 11,400 acorns were collected, which developed into 10,200 oak trees. This year, Rob has collected 20,000 acorns as well as 50,000 other seedlings from 20 species of tree, including beech, sycamore, hornbeam, horse chestnut and cherry bark. 

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Rob begins collecting acorns in late August and September, once they have fallen naturally from the trees. Once collected, the acorns will be skinned and put into a bucket of water for 24 hours; if any float, it means that they aren’t suitable for planting. 

The acorns that sink to the bottom of the bucket are then skinned, dried and put into a mixture of grit and compost which is turned once a week until they are ready to be seeded in December. After they are seeded, the seedlings are placed into the greenhouse where the Forestry team usually see sprouting in early spring. 


The success of this process is now clear to see – seedlings from 2016 that were planted in the Parkland are now sprouting out of their tubes and are measuring around one to two feet high. 

Planting tree saplings is one of the most effective ways of supporting the environment. Once fully grown, a large tree is said to provide the daily oxygen for four people, which means that, once fully grown, the 20,000 trees that Blenheim Estate will plant in 2024 alone will provide the equivalent oxygen needed by 80,000 people each day. 

Head Forester, Nick Baimbridge, explained:

We’re extremely fortunate that so many of these venerable trees have survived together here at Blenheim. By carefully propagating and protecting seedlings grown from acorns produced by the original oaks we will be able to ensure the legacy of these great survivors will live on into the future.