ShowingConnoisseurs collectionSoil type : Moderately fertile, moist but well-drained soil, or peat-free general purpose compostFlowering month : SeptemberSpecial features : Sublime umbelliferasSowing month outside : AprilKitchen garden planting guidelines : Suitable for large container gardeningUsed at Chelsea : 2013 - Christopher Bradley-Hole - Daily Telegraphclear all