GRAVEL CULTURE: Comparative Merits

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 6 years ago.

Article Blog   Article Index
Phalaenopsis do very well, cattleyas not so well as in osmunda, mexi-fern or bark; much used around 1950, now confined to phalaenopsis; takes more labor; more problems with bush snails. A65-1003+
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Gravel Culture

Gravel Culture Comments
GRAVEL: As Potting Medium Quartz stone is a good substrate for Cattleya lablata and many encyclias; it needs more watering than bark and a periodical fertilization. OD87-147 0
GRAVEL CULTURE: Cleaning the Gravel Let it soak overnight in 10% bleach to ensure cleanliness. A85-1237 0
GRAVEL CULTURE: Of Phalaenopsis It will not produce one more flower or leaf than will bark, or osmunda, etc. under good culture. A81-393 0
GRAVEL CULTURE: Pebbles One grower favors them for a collection of epiphytic orchids. OA82-7 0
GRAVEL CULTURE: Pros and Cons In Florida area; advantages and disadvantages listed; comparison results with osmunda and bark; specific successes listed; refer to A57-778+; gravel culture instructions; refer to N303+; gravel considered best for seven main genera; refer to Oregon Orchid Society; Your first orchids. 6th ed.1974. 0
GRAVEL CULTURE: Success with 12 Different Genera Roofing gravel used; 75% feldspar, quartzite and quartz, 25% calcite, decayed marble, limestone and garnet (decreasing in that order); 1/4 to 1/2 inch sizes, smooth and mostly round; treat with 75% phosphoric acid to remove deposits. A63-281+ 0
GRAVEL CULTURE: Under Lights Large pea-sized particles of gravel held too much water in the bottom of the pot; half-inch sized granitic and half-inch or more feldspathic pebbles were selected; organic fertilizer preferred; if necessary to increase water-holding add chopped leaf mold. A70-1074+ 0

New Topics

  1. Stephen Dorsey asked question Articles posted in category General Discussion
  2. Elizabeth Wagner asked question Myrmecatavola Frances Fox in category Orchid Doctor
  3. Burt Holstein started topic Error in plant origination in category Cymbidiums
  4. loan le started topic help with Clowesia Grace Dunn Chadd Ford Mericlone in category General Discussion
Ask a Question

Start a Topic

New Comments

  1. Linda Hartman commented on member plant Rlc. Hsinying Williette by Mary Lane
  2. Carol Holdren commented on topic "Articles posted" by Stephen Dorsey
  3. Mary Lane commented on member plant Phal. I-Hsin Rose Milkshake by s mcn
  4. William Gorski commented on member plant Bc. Memoria Nancy Ginoccho by William Gorski
  5. Shawn Dvorak commented on member plant Bulb. mucronatum by Shawn Dvorak
  6. Diana Lenartiene commented on scheduled event "Hoot Loves Orchids" by Port Saint Lucie Orchid Society
  7. Carol Holdren commented on topic "Orchid Species in the Philippines" by unknown user
  8. Dennis Andison commented on article "Orchid Wiz - what will we do without you?" by Carol Holdren
  9. loan le commented on topic "help with Clowesia Grace Dunn Chadd Ford Mericlone" by loan le
  10. Carol Holdren commented on topic "Mediocalcar decoratum (Candy corn orchid) help" by Jason heeres
  11. Carol Holdren commented on topic "How do I get my orchid ID?" by GIBSON PWASHIKAI
  12. Arne Schon commented on orchid B. perrinii
  13. Linda Thorne commented on member plant Rlc. Williette Wong 'The Best' by Linda Thorne
  14. Carol Holdren commented on topic "Z. Redvale Jasmyn" by Shaun Bloodworth
  15. Marie H Miller commented on member plant C. aclandiae by Kerrin Samm
  16. Linda C Clark commented on orchid C. Madeleine Knowlton
  17. Heather Williams commented on member plant Phal. equestris '‘996’' by Cara Anderson
  18. Heather Williams commented on orchid Paph. Vintner's Treasure
  19. Heather Williams commented on member plant Bct. Yuan Nan Mini 'Queen Anne' by Linda Thorne
  20. Heather Williams commented on member plant Pths. racemiflora 'Seagrove Golden Fiddles' by Linda Thorne