Divide orchids correctly for propagation - this is how it works

Divide orchids correctly for propagation - this is how it works

Which orchids are eligible for division?

Within the large orchid family, a rough distinction is made between monopodial and sympodial species. Monopodial describes growth with an axis, the growth of which takes place exclusively at the tip. These include Phalaenopsis or Vanda orchids. It is obvious that a single stem axis cannot be divided without destroying the plant.

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Sympodial orchids, on the other hand, thrive with several bulbs or shoots that are connected by a rhizome. Classic representatives of this growth form are the genera Cymbidium, Oncidium or Brassia. Almost all types and varieties of sympodial orchids can be considered for propagation by division.

How to properly divide an orchid

If repotting an orchid is on the care plan in spring, this is also the best time to divide it. Water, dip and fertilize the plant one to two days before the appointment so that the aerial roots are supple. In these steps you divide the root ball:

  • Repot the root ball and remove the substrate
  • Pull the roots apart with both hands so that 2 parts with at least 2 bulbs each arise
  • If necessary, cut up an unruly root ball with a disinfected scalpel
  • Use this opportunity to cut off dead aerial roots

Immediately afterwards, pot each segment with at least 2 or 3 bulbs in its own culture pot. Fill in fresh orchid soil so that all roots are covered. It is helpful to push the pot on the tabletop several times.

Tips

Freshly divided and potted orchids should be able to regenerate in peace. To do this, refrain from watering or submerging the plants for the first 5 days. It is better to spray the leaves and aerial roots daily with filtered rainwater.