 The park is named after the 3rd Marquess of Bute, whose family owned the castle.The Castle Green was landscaped in the late eighteenth century by Capability Brown, but the park itself was laid out from 1873 on by Andrew Pettigrew, Head Gardener to the 3rd Marquess.The 5th Marquess of Bute presented the park to the Council in 1947 and the park is still owned and managed by Cardiff Council.