27/05/2026
Following the latest surveys of the Sheringham Park rhododendron collection, it has emerged that the oldest of our rhododendrons may be 190 years old, or more. This discovery came from recent survey work by garden historians and rhododendron experts Beverley and Michael Lear.
Based on a detailed examination of the characteristics of the growth form and size of the trunks, and by counting the rings where these have been cut, the Lears estimate the date of planting of the oldest rhododendrons to go as far back as the 1830s. So far, six of these very old plants have been identified in the wild garden.
The revelation that some of the ‘Cornish Red’ rhododendrons may date this far back has coincided with the bicentenary of the creation of the first hardy red hybrid, in the spring of 1826, by Lord Carnarvon – a milestone which Michael describes as “a very significant moment in British horticulture and garden history.’
“The history of rhododendrons and their breeding ran in parallel with the plant collecting expeditions that happened through the 19th and early 20th centuries. There are plants here which track out the changing spectrum of colours and aesthetic fashions that arose across that extended period of time, and it is an amazing legacy in the care of the National Trust,” adds Beverley.
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