John Charles Williams was an English Liberal Unionist politician and a noted gardener at Caerhays Castle, Cornwall, where he grew and bred rhododendrons and other plants. An important group of camellia cultivars, Camellia × williamsii, was originally bred by him. He also took an interest in the development of new daffodil cultivars.
- Occupation
- horticulturist, politician
- Position held
- member of the 25th Parliament of the United Kingdom, Lord Lieutenant of Cornwall, High Sheriff of Cornwall
- Citizenship
- United Kingdom, United Kingdom of Great Britain and Ireland
- Born
- April 30, 1861