They exhibit a variety of flora including camellias, dogwoods, azaleas, and rhododendrons. The garden is also planted with camellias, azaleas, day lilies, and Japanese magnolias. There are camellias, azaleas, rhododendrons, bamboos as well representing Japan. It contains thousands of azaleas and hundreds of rhododendrons as well as camellias. Deadheading flowers with many petals, such as roses, peonies, and camellias prevents them from littering. Cottonseed meal fertilizers can be used for roses, camellias, or vegetable gardens. Cross-breeding of camellias has produced many cultivars which are tolerant of hardiness zone 6 winters. There are sometimes separate registration authorities for different plant types such as roses and camellias. This garden features 200 camellias and over 30 different cultivars. They gave their supporters in Parliament white camellias to wear in their buttonholes. It is lined with camellias typical of the Rias Baixas. Tregothnan was home to the first outdoor "camellias" in the UK, around 1800. However, many other camellias can be used to produce a similar beverage. In 2012/13, he was seen in "Camilla Dickinson" and "White Camellias".