Sempervivum Greenii (April) Sempervivum Greenii (April) Sempervivum Greenii (August) Sempervivum Greenii (August) Greenii Small rosettes, grey green with brownish tips. £3.00 Choose pot size: [Choose]6cm mini pot (-£0.70)9cm pot Quantity: at £3.00 each Add To Basket An old variety (1877) with medium/small rosettes. Pale grey/green leaves with brownish tips. Slower growing yet still makes plenty of offsets. A cultivar of Sempervivum calcareum. Supplied as an established, growing plant in a 9cm pot (or 6cm mini-pot).