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Pelargonium tetragonum

   (Family: Geraniaceae)
English: Square-stemmed pelargonium  EDIT
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Plant Type: EDIT  Shrub
Height: 2m
Rarity Status:
Preferred position:
Full Sun
Flowering time EDIT
                x x x x
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flower colours
  Flower info
  Very attractive cream to pink flowers occur in pairs on the flower stem. Each flower has four petals, with the upper two significantly larger than the lower pair. The large upper petals are streaked with red.
  Leaf info EDIT
  Distinguished by its almost leafless, three- to four-angled, jointed and succulent stems. When present, the leaves are fleshy, palm-shaped and sometimes have red zonal markings.
  Seed info EDIT
Description EDIT
Pelargonium tetragonum is a plant adapted to grow in dry habitats (xerophyte).
Its square, jointed, succulent stems branches from the base and if supported by other vegetation, will reach a height of 2 m.
Growing EDIT
The plant tends to sprawl, but can be successfully grown as a pot specimen.

Favours arid, rocky habitats, and will rot if over-watered. It is therefore best suited to well-drained and dry situations in the garden, and thus an excellent choice for a water-wise garden. It is easily propagated from stem cuttings using river sand as the rooting medium. Dipping the cuttings in a rooting hormone will increase the chances of success. Keep the river sand damp during the rooting process, but do not over-water.
Distribution EDIT
Only found in dry habitats within a strip parallel to, but inland from the South African south coast, extending from Worcester to Grahamstown. This distribution thus extends from the winter rainfall region in the west to the summer rainfall area in the east.
History EDIT
Ecology EDIT
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