1" x 6" wide, (seed/cutting propagated). As the stars begin to appear in early evening, the yellow, highly fragrant flowers of this night-blooming Ice plant start to open. You'll need to keep a flashlight near the door to see this tiny South African beauty in bloom. Growing to form a tight, evergreen mat, Stomatium mustilinum is one of the most reliably cold hardy Mesembranthemums. It makes an outstanding small scale groundcover in the rock garden. Zones 5-9. 3" deep Standard pot.