Tuesday, March 8, 2011


There is a whole industry built around processing coconut husks. These husks produce a versitile natural fiber that has many uses. Then they sweep up the dust, form it into bricks and sell them to orchidists.

Dendrochilum cobbianum - Flower photo by Richard LindbergI don't use coir with my collection. I look for ways to reduce water retention, not increase it. I have 2 1/2 bricks of coir that may be a life-time supply for me. But when I had three Dendrochilum cobbianum plants to re-pot I got out the bag of coir.

Dendrochilum cobbianum grows in the Philippines. It is warm to hot growing and likes lots of water. The genus Dendrochilum (Dend) contains 150 species from Burma to the Philippines. Hates to have the roots disturbed and takes a year to recover from re-potting.

These plants have been growing in the wet section of the Sonoma greenhouse and not doing all that well. I re-potted into a bark/coir mix and will put them in a dryer part of the Napa greenhouse, which is wetter than the wet part of the Sonoma greenhouse.

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