Crassula Congesta Green Beans have adorable chubby oval leaves that are soft and velvety and look like little beans. It usually grows up to 4 inches ( 10 cm) in height but somatimes taller in shadier spots and always has only a single stem.The highly succulent leaves are up to 1,2 inches (3cm) long. Full Sun, Sun to Partial Shade, Light Shade. Porous and well-drained. Optimal pH is around 6.0 (slightly acidic). Water thoroughly when soil is dry to the touch, then let drain completely.