Crassula arborescens ssp. undulatifolia , also knows as Ripple Jade for its most ripply, waxy, blue-green leaves. The leaves have a deep red color around the edges when stressed out. It flowers with white blossoms from spring to mid-summer.
 
Ripple Jade can be planted indoor or outdoor. Place it in an airy location with direct but enough sunlight, like a south-facing window will help them grow compact and stronger. While outdoors, making sure get some shade for them in burning summer to avoid sunburn. Bring it indoor before a frost. 
 
Like most of succulents, Ripple Jade requires unregular watering schedule. The best way of watering is soak and dry method.Water thoroughly when soil is dry to prevent root rot. Choose a pot container with drainage holes will let exceed water flow out while watering.
Primary color: blue/blue-green
Secondary color: red/burgundy
Bloom color: white
Cold hardiness: zone 9b-11b(from 20F to 50F)
Product format: 2'' pot
Suitability: balcony, window, garden
Propagation: stem cutting, leaf
Special characteristic: can be toxic to humans and animals