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Crassula I
II

Crassulaceae Crassula L.
 Sp. Pl. 1: 282. 1753 [1 May 1753]
   Crassula is a large genus of about 350 species native to Africa and Madagascar. They can be solitary plants or clump and spread, from low growing to tree size and are often summer dormant. Many Crassulas’ are thick succulents. Crassulas’ have long lasting white, pink and reddish blooms, and some have great winter color.
Crassula I, II
 
Crassula arborescens   Willd.
Sp. Pl., ed. 4 [Willdenow] 1(2): 1554. 1798 [Jul 1798]
Silver Dollar Plant -
low water requirement full sun exposure




   This beautiful South African native pachyform has thick tan stems that support thick, 2" diameter round, red margined, blue green to gray green leaves.  The branches may begin to droop under the weight of these heavy leaves, and may need to be pruned, but this plant may reach up to 10' tall, 4' wide in ideal conditions.  It takes full sun, where it will produce more small pink flowers in fall, but may burn in intense heat.
 
Crassula argentea   Thunb.
Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 6: 329, 337. 1778
Jade Plant -
low water requirement


   This South African native has
small clusters of star like pink or white flowers The red margined rounded fleshy leaves are arranged in opposing pairs on the thick branches.  C. argentea likes full sun to light shade, young plants will yellow in full sun or even burn. It doesn’t tolerate frost, but makes a good house plant.  It requires little water in winter but grows well with ample water in the growing season.  Over watering will cause it to lose its’ leaves and eventually the stem will rotPropagation is done from leaf and stem cuttings.  Common pests are mealybug and aphids.
 
Crassula argentea Monstrose  
low water requirement part shade exposure



   This moderate grower has shiny, lime green, distinctly suction cup shaped leaves. This plant will grow to be 2' wide and over 2' tall and will develop a thick base over time.  It has fine, fibrous, vigorously growing roots, and takes easily from cuttings.
 
Crassula commutata   Friedrich
Mitt. Bot. Staatssamml. München vi. 623 (1967).
low water requirement half shade exposure




   Native to Namibia
 
Crassula lactea   Sol.
Hortus Kew. (W. Aiton) 1: 496. 1789
(Toelkenia lactea)
Taylor's Parches, Krysna Crassula -
low water requirement part shade exposure




   Native to South Africa
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Crassula I
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Crassula page last updated: April 15, 2010.