CLAY, CALCINED: Expanded Shale or Clay

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

Article Blog   Article Index
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
Share on Social Media:  
Log in to Add a Comment

More 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: 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. Maria Delaney asked question Double spikes on oncidiums in category Oncidium Alliance
  2. Darrin Duling asked question unknown Oncidium intergeneric in category General Discussion
  3. Darrin Duling asked question need id on oncidium intergeneric in category General Discussion
  4. Kate McMillan started topic Horticultural Charcoal vs Activated Charcoal in category General Discussion
  5. Susan smith asked question Vanda Samsri Gory in category General Discussion

New Comments

  1. Melvin Waki commented on member plant Hwra. Lava Burst by Jeanne M Uzar
  2. Carol Holdren commented on member plant Den. Ruth Chun's Gemini by Melvin Waki
  3. Samuel Yanos commented on member plant Coel. rochussenii 'Waki' by Melvin Waki
  4. Mo Chen commented on member plant Den. longicornu by Mo Chen
  5. Yahoo Alex commented on member plant Habenaria Tanager by David Nickerson
  6. Adam Almeida commented on member plant Chz. Hsinying Pink Doll 'Hsinying' by Melvin Waki
  7. Alex Maximiano commented on member plant V. Boschii by Adam Almeida
  8. Carol Holdren commented on member plant Ar. graminifolia by Adam Almeida
  9. Melvin Waki commented on member plant Pol. neobenthamia by Adam Almeida
  10. Carol Holdren commented on member plant V. Nopporn White Diamond by Adam Almeida
  11. Melvin Waki commented on member plant V. Yip Sum Wah 'Flame' by Tanya Lam
  12. Tanya Lam commented on member plant Gra. stapeliiflora 'Waki' by Melvin Waki
  13. Gustavo Sánchez commented on orchid Lc. Blue Rose
  14. Carol Holdren commented on member plant Aerdv. Somsri Sunlight by Mary Lane
  15. Tanya Lam commented on member plant Cym. finlaysonianum by Tanya Lam
  16. Alex Maximiano commented on member plant Lc. Dinard 'Blue Heaven' by Melvin Waki
  17. Carol Holdren commented on member plant Rth. Yellow Bouquet 'Pam' by Melvin Waki
  18. Carol Holdren commented on member plant V. falcata var. Hisui by Tanya Lam
  19. David Nickerson commented on member plant Ctsm. Edgardo A. Pauneto 'Dark Stripes' by David Nickerson
  20. Carol Holdren commented on member plant Phal. violacea var. indigo 'Royal Blue' by Vickie Seibert