ShowingFacing : NorthSpecial conditions : Boggy or damp shadeHow much sun : Light shadeSoil type : Moderately fertile, moist but well-drained soil, or peat-free general purpose compostFlowering month : MaySpecial features : Non poisonousEventual size : SmallSoil moisture : DampUsed at Chelsea : 2012 - Sarah Price - Daily Telegraphclear all