ShowingSpecial conditions : Tolerate air pollutionSoil type : Moderately fertile, moist but well-drained soil, or peat-free general purpose compostAttractive to wildlife : Attractive to butterflies and mothsSpecial features : FloweringFlowering month : JulyGround cover : NoSoil moisture : Dry/SandyUsed at Chelsea : 2010 - Andy Sturgeon - Daily TelegraphPosition : Next to seating areasclear all