Conophytum vanzylii is a living pebble with nearly perfectly round bluish green spheres with a small cleft like red lips.

Cordyline australis Pink Passion 'Seipin' is a dazzling cabbage palm with electric pink and burgundy foliage forming spiky displays of subtropical drama.

Cordyline terminalis 'Cherry Cordial' is a fantastic ti plant with shiny, tropical multicoloured foliage in mahogany, olive green and bright red.

Cordyline 'Dancing Paso Doble' is a subtropical cabbage palm with dramatic deep purple foliage with hot pink edges.

Cordyline 'Renegade' is a subtropical cabbage palm with glossy, dark purple foliage that appears almost black.

Cordyline 'Salsa' is a dazzling cabbage palm with bright red and deep pink foliage forming spiky displays of subtropical drama.

Cornus elliptica Empress of China is a gem of an evergreen tree with copious pointed white flowers and purple winter foliage.

Cornus Mandarin Jewel has abundant, large, white flowers and bold, edible fruit aging from yellow to bright orange.

Corydalis solida 'Firebird' is the best red Corydalis, producing sweetly fragrant flowers above finely dissected, fern-like foliage.

Cotyledon orbiculata 'Mucronata' forms short stems of large, fan-shaped, succulent, silver leaves with heavily-ruffled margins.

Cotyledon tomentosa subsp. ladismithiensis Variegata Group is a succulent shrublet with fuzzy, variegated leaves.

Cotyledon 'Happy Young Lady' is an upright, branching succulent to 12 inches tall or more with lovely, silver, finger-like leaves with reddish purple at the tips.

Crassula ausensis subsp. titanopsis is a dwarf succulent with clusters of white-spotted, fleshy, leaves with pink tips sometimes flushed with pink.

Crassula capitella var. thyrsiflora, red pagoda, or shark's tooth is an amazing succulent with geometrically intriguing foliage.

Crassula capitella var. thyrsiflora 'Variegata' has clusters of geometrical foliage in shades of green, pink, and creamy yellow.

Crassula falcata is a striking succulent with large, grey, sickle-shaped leaves topped with a large cluster of fiery red flowers.

Crassula hemisphaerica is a super cool small succulent forming a rosette of green, downward curved, tightly packed, opposite leaves.

Crassula mesembryanthemoides forms cute, upright, branching shrubs to 12 in. tall or more with pointed, apple green leaves covered in silvery hairs.

Crassula orbicularis var. rosularis has thin lance-shaped leaves that are green on top with deep pink reverses.

Crassula 'Hummel's Sunset' is a gold version of the jade plant with red leaf edges.

Crassula pellucida 'Variegata' has trailing stems with heart-shaped leaves that redden with stress.

Crassula perforata 'Variegata' has triangular leaves in opposing pairs that are pale yellow and frosty green.

Crassula platyphylla 'Burgundy' forms cute little branching "trees" with broad green and burgundy leaves with pointed tips.

Crassula radicans 'Small Red Carpet' is a multi-stemmed, low-growing succulent covered with small, dark-green leaves with red margins.