Crassula perforata
Native range: South Africa
Known names: String of Buttons, Stacked Crassula, Jade Plant
Hardiness: Best kept above freezing
Mature Size: ~10" tall, clump-forming
Light: Bright direct light, full sun
Water: Avoid watering when it is too cold and too hot (water in the evening on really hot days)
Soil: Succulent mix, fast-draining
Dormancy Period: Winter
Pet-Safe: No
Plant Size: 2.5" pot
 
Pewter leaves with red edges, red intensifies with "stress".  Grows upward but will spill over eventually.