ShowingSoil type : Heavy clayFacing : SouthFlowering month : JuneSowing month inside or protected : AprilSowing month outside : MayQuick growing : YesEventual size : LargeAttractive to wildlife : Attractive to pollinatorsSpecial features : Flower spiresUsed at Chelsea : 2011 - Cleve West - Daily TelegraphSoil moisture : Normalclear all