ShowingConnoisseurs collectionHow much sun : Light shadeSoil type : Heavy clayAttractive to wildlife : Attractive to wildlifeFlower colour : PurpleSowing month inside or protected : MarchSoil moisture : NormalUsed at Chelsea : 2011 - Luciano Guibbilei - Laurent-PerrierKitchen garden planting guidelines : Propagate in green houseclear all