The Orchid Doctor Articles under the Heading Clay, Calcined

Clay, Calcined Comments
CLAY, CALCINED: As Cymbidium Medium It is not as good as bark mixes, judging from an experimental growth trial of three years; for details refer to OA84-79 0
CLAY, CALCINED: As Cymbidium Mix An aggregate used in making masonry blocks, it is good for culture in pots up to six inches; is alkaline in reaction; mix with bark for larger pots. OA82-6 0
CLAY, CALCINED: Expanded Nodules Most epiphytic orchids grow well in it; use 1-1-1 balanced fertilizer; it holds water and is aereated for good root growth; do not let it dry out; trade names are Crestlite, Haydite, Herculite, Turface. A83-698; RMH 0
CLAY, CALCINED: Expanded Shale or Clay Aggregate material fired under great heat is like volcanic rock, porous, well-aerated but they differ in types; for a current valuation refer to A86-495 0
CLAY, CALCINED: Haydite As a potting medium for angraecums, the seedlings can be started in it and grown on into a ten-inch pot in about five years and they flower well. Ca84Spring-3 0

New Topics

  1. Judith Pariseau asked question Paphiopedilum culture differences in category Paph Alliance
  2. Marc Lefkowitz asked question Bulbophyllum in category Bulbophyllums
  3. Tony Borowiecki asked question Can a Bealleara re-flower in category Oncidium Alliance
  4. Tony Borowiecki asked question Re-flowering Orchids in category Dendrobiums
  5. Sylvia Spence asked question How to care for my new orchid in category General Discussion

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  1. Robert H. Findlay commented on member plant Oncidium Sherry Baby by Luesa Estrada
  2. Judy Bailey commented on topic "Paphiopedilum culture differences " by Judith Pariseau
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  4. Carol Holdren commented on topic "Bulbophyllum " by Marc Lefkowitz
  5. Carol Holdren commented on topic "Can a Bealleara re-flower" by Tony Borowiecki
  6. Carol Holdren commented on topic "How to care for my new orchid" by Sylvia Spence
  7. Bodil Bruus commented on member plant Ctt. Mrs. W. N. Elkins var. coerulea by Linda Thorne
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