Most of the orchids are generally required to be repotted once in every two years. The orchids gradually deteriorates due to various factors. If repotting of orchids is not done then the bark or moss becomes decomposed and packed. Under these circumstances the roots are not properly aerated and the drainage becomes blocked so there is too much standing moisture, and then the plant eventually dies from asphyxiation and root rots. Ideally, orchids should be repotted immediately after flowering for better results.
The various tools required for repotting of orchids are 1 pair of clippers, 1 large bucket, 1 blowtorch, Pots, Bamboo Stakes and Orchid Ties.
Selecting a New Pot:
Orchids can be grown in any kind of container which has a hole for drainage at the bottom of the container as the ventilation around the bottom of the pot is vital to the plants well being. Water should not be allowed to stand at the bottom of the container. One can use the same pot which may be re-used after the existing decomposed orchid bark has been discarded. But the used pot should be disinfected with Physan 20. Otherwise, one should always pick a pot that is just slightly larger than the earlier one.
Potting Mix
The potting mix is always determined by the size and type of orchid to be grown. Phalaenopsis, Cattleya, Dendrobium and Vanda should be grown in Medium Orchid Bark Mix. Paphiopedilum, Miltonia, Odontoglossums and Oncidium are always required to be potted in Fine Orchid Bark Mix.
Removal From Pot
Removal of the plant from its pot should be done in a manner that will cause the least trauma to the roots.
Sterilize Tools
In order to prevent the transmission of bacterial and viral infections always sterilize the tools prior to use.
Trimming
for trimming an orchid always cut off all the dead roots which are generally hollow and soft. Healthy roots are those roots which are firm and creamy white
Repotting
If the division is not required then place the plant to be repotted in a pot that is slightly larger than the preceding one.
Dividing
In order to divide always sterilize the cutting tools with Physan 20 or flame the tool with a blowtorch. Always let the sterile tool cool down before using it on the plant
Rooting Care
For the rooting care always dip the plant in Rootone (Rooting Hormone) or Dip and grow to help the stimulation of the new root growth.

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