Campanula portenschlagiana (wall bellflower) is a member of the Campanulaceae family. This perennial exhibits a matforming, trailing growth habit and is characterized by its evergreen foliage. It has a hardiness rating of hardy – cold winter (-15 to -10ºc) and is hardy through most of the UK even in severe winters. May not withstand open or exposed sites or central / northerly locations. Many evergreens suffer foliage damage and plants in pots will be at increased risk.
When fully mature, Campanula portenschlagiana can reach an ultimate height of 0.1–0.5 metres and a spread of 0.1–0.5 metres. For optimal growth, it prefers south–facing or north–facing or west–facing or east–facing aspect and exposed or sheltered positions. It thrives best in chalk or loam or sand soil types and should be placed in full sun or partial shade.
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