ShowingPerennialsHow much sun : Light shadeFacing : SouthSoil type : AcidFlower colour : WhiteFlowering month : JuneSpecial features : Sublime umbelliferasEventual size : LargeAttractive to wildlife : Attractive to butterflies and mothsUsed at Chelsea : 2011 - Cleve West - Daily TelegraphSoil moisture : Normalclear all