Limelight (June) Limelight (May) Limelight Lime green rosettes, little red tips. £3.20 A bright, light green colour with little red leaf tips, an excellent, bright addition to any mixed collection. A selection of Sempervivum calcareum from a limestone area of the French Alps. We find find it grows slowly. Collected in the wild. Sent in 9cm pots as growing, established plants.