How To Repot Orchids

The vast majority of orchids require repotting annually or once every two years. Several factors exist which deteriorate an orchid's health. If an orchid doesn't get repotted when necessary, the bark or moss decomposes and gets packed. Under these conditions, the roots are not properly don't experience proper aeration and the drainage system becomes blocked which leaves too much stagnant moisture. This is a fatal death knell because the excess moisture causes the plant to die of asphyxiation and root rot. Ideally, orchids should be repotted immediately after flowering for better results.

To repot an orchid, you will need a pair of clippers, a large bucket, a blowtorch or physan 20, pots, bamboo stakes, and orchid ties.

Selecting a New Pot:

Any pot can be used to grow an orchid in, as long as there is a hole at the bottom to ensure proper aeration. This is also a measure to make certain that water doesn't sit at the bottom of the pot. You can repot an orchid with the same pot if you like, as long as the decomposed orchid bark is removed and disinfected with Physan 20. This may not be the best for the orchid, as a slightly larger pot each time will allow the plant to grow more.

Potting Mix

Orchid species and size always determines potting mix to be used. Phalaenopsis, cattleya, dendrobium, and vanda should be grown in medium orchid bark mix. Paphiopedilum, miltonia, odontoglossums, and oncidium are to be potted in fine orchid bark mix.

Removal From Pot

When removing an orchid from a pot, do it in such a way as to minimize trauma to the roots.

Sterilize Tools

Sterilization of tools prior to use will prevent bacterial or viral infection of the orchid.

Trimming

To trim an orchid, cut off all the dead roots which are hollow and soft. Healthy roots are firm and creamy white in color.

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

To divide an orhcid, always sterilize the cutting tools with physan 20 or gently brush a flame over the tool with a blowtorch. Let the sterilized tool cool down before using it or you will kill the orchid!

Rooting Care

If new root growth is desired, use a root growth stimulant such as Rootone (Rooting Hormone) or Dip and Grow.

Resources

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