The troughs in our garden are coming along nicely Plants include Dianthus erinaceus var. alpinus and a whole host of Sempervivum - S. 'Fernwood', S. 'Green Ice', S. 'Shannon Louise', S. 'Sharon's Pencil', S. calcareum 'Extra' and S. atlanticum. #sempervivum #gardening https://t.co/YjSCYPDiTs

— Alpine Garden Society (@AlpineGardenSoc) 2019.6.20

Sempervivum have beautiful flowers. Here's Green Ice from Howard Wills' @Plantheritage National Plant Collection http://t.co/xlNz8YQvfQ

— Helen Brown (@Littleashgarden) 2014.6.21