ShowingShrubsSoil type : NormalFacing : WestFlowering month : AugustFragrance : Aromatic foliageSpecial features : Non poisonousFlower colour : PurpleAttractive to wildlife : Attractive to butterflies and mothsMultibuy packs : Selected offersPosition : Steep banksUsed at Chelsea : 2009 - Ulf Nordfjell - Daily Telegraphclear all