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Showing posts with label How-To. Show all posts
Showing posts with label How-To. Show all posts

Monday, March 3, 2014

How to repot a Cattleya orchid in bark and sphagnum-moss

The basic steps of my repotting of a Cattleya orchid in bark and sphagnum moss:
  1. rinse bark under hot running water;
  2. soak it in osmosis water (or distilled or rain water) at least for one hour;
  3. let drain off;
  4. place a first compound layer in the pot;
  5. place the plant;
  6. fill the pot without pressing, leaving at least one visible root; 
  7. free the holes at the bottom of the pot;
  8. cover the exposed roots with some wet sphagnum;
  9. water soak(or shower from above) when is dry;
  10. fertilize at normal dose but only during active growing.

Repotting Cattleya orchid in bark and sphagnum moss
Cattleya orchid, repotting
in bark and sphagnum compound
The Cattleya plants are epiphytes in nature, as well as the Phalaenopsis, they grow suspended, stuck in the branches of trees with their strong and spongy roots ready to absorb every drop of rain water that flows through and dry out quickly on the light breeze of tropical forests . You can not play these exact conditions in a flat, so that every enthusiast is looking for a practical solution as much as possible good to growth, and maybe the blooming of these fascinating orchids. To convince a Cattleya that the best place to stretch its roots is the vessel that we provide we must try to make it airy but moist, never soggy or compact!

Monday, October 22, 2012

How to repot a Phalaenopsis orchid in sphagnum-moss

The basic steps of my repotting in sphagnum:

    1. rinse sphagnum dry under hot running water
    2. rinse with water by osmosis (or distilled or rain water)
    3. wring strong
    4. break to pieces by about 1-2 cm giving volume and air
    5. put a first layer of sphagnum in the vessel
    6. place the plant
    7. fill the jar without crushing too much
    8. free the holes on the bottom
    9. water in small doses only when it is well dry
    10. fertilize in small doses

    Phalaenopsis schilleriana, orchid species, seedlings repotted in sphagnum moss
    Phalaenopsis schilleriana, orchid species,
    sphagnum moss repotting
    (picture of 4 October 2012)

    Some orchids grow much better and faster if potted in sphagnum-moss, this is because in the wild they live immersing their roots in soft moss pillows. Sphagnum has the qualities, not indifferent, to produce some antifungal substances, stabilize the pH and maintain good moisture. Dry sphagnum (dehydrated) can be found at nurseries specializing in orchids or, though rarely, you can find the live sphagnum. To repot our Phalaenopsis seedlings, freshly deflasked, keiki or the more common mini-phalaenopsis, you normally use dry sphagnum . In nature there are many different species of moss but to grow orchids what is important is not the species but the quality of fibers: the best fiber of sphagnum  is the bigger one because it will stay more elastic and compact so less compressed in the vessels, lets more air circulating and promotes drying of the roots of fundamental importance for all orchids, especially for epiphytic species such as Phalaenopsis.