Clematis 'Jackmanii Superba' Purple Climbing Plant - 3Ltr PotClematis 'Jackmanii Superba' is a robust purple flowered climbing plant offering an extended season of colour from midsummer through to late autumn. Its bold, richly coloured blooms make it a standout choice for walls, fences, and trellises in a wide range of garden settings. Key Features Large, deep blue purple flowers with a subtle reddish bar and greenish white stamens Blooms from July to October, providing long lasting seasonal interest Medium