ShowingSeedsSoil type : ChalkySpecial conditions : Tolerates droughtSpecial features : Low maintenanceFlower colour : BlueFlowering month : JuneSowing month outside : MayPosition : Next to seating areasSoil moisture : NormalUsed at Chelsea : 2011 - Cleve West - Daily TelegraphKitchen garden planting guidelines : Suitable for large container gardeningclear all