This famous garden has bred very many plants, and the best are often named Exbury or Exbury form. See Naomi Exbury, Lady Camberlain Exbury, etc. Also forms of a grex, eg Exbury Isabella, Exbury Cornish Cross, etc. See also Exbury Azaleas.Flower Colour : Flowering Time : Scented : No Ultimate Height : 1.00 metres / 3 feet 3 inchesParentage : Hardiness : -15°C (5°F) Hardy in a sheltered site in most UK, Damaged in severest winters. Often early into flower and growth.Group : Compact & Medium Hy..