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Article: Cyrtosperma Johnstonii Alocasia Black Jack Care

Cyrtosperma Johnstonii Alocasia Black Jack Care

Cyrtosperma Johnstonii (Alocasia Black Jack) is a species of the cyrtosperma genus. Cyrtosperma Johnstonii is native rare plant from Solomon, Oceania.

  • Characteristics, Shapes & Colors

Cyrtosperma Johnstonii has stiff and hard stems, is nicely patterned and rough if held, as well as its upward-facing leaves. The color of the leaves is more striking pink color on the veins of the leaves. When the leaves begin to mature, the pink color slightly disappears.

  • How to care  
  1. Place Cyrtosperma Johnstonii plant in a place that has a light intensity of 60-70% with a temperature of 18-25 °C.
  2. The most suitable growing medium for Cyrtosperma Johnstonii is a mixture of perlite, cocopeat, peat.
  3. For the intensity of watering Cyrtosperma Johnstonii need 2 times in a week so that the growing medium is not too wet. If it is not too dry. If it is too dry, Cyrtosperma Johnstonii will wither and inhibit its growth. 
  4. For the fertilization period Cyrtosperma Johnstonii can be done once a week with organic fertilizers.
  • How to propagate 

Cyrtosperma Johnstonii can be propagated with bulbs.

  1. The first step is choose the old and healthy Cyrtosperma Johnstonii then unload the growing medium and look for bulbs at the end of the roots.
  2. Plant bulbs in growing medium and do enough watering..
  3. Put it in a shady place and the new shoots will appear after approximately in 3 weeks.

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