OSMUNDA: Chemical Analysis (typical)

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 4 years ago.

Article Blog   Article Index
Moisture 12%, pH 4.3; ash 5.5%, nitrogen forms 0.14%, phosphorous 0.06%, potassium 0.57%, calcium 0.4%, magnesium 0.3%, sulfur 0.16% and silica 3.0%. A65-832
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Osmunda

Osmunda Comments
OSMUNDA: Aerial Root Mass of Two Common Ferns Osmunda regalis and O. cinnamomea; success can be had by taking full advantage of the good nutritive qualities while lessening its water-holding capacity; becoming expensive. A73-875 0
OSMUNDA: As Potting Medium It is derived from three ferns widely distributed in the U.S. and Canada, provides nutrients needed by the plants; lasts long, aereates well, is costly to buy, hard to work with, is scarce. A86-497 0
OSMUNDA: Digging, Preparing and Using Osmunda regalis, 0. Claytonia, and 0. cinnamomea are native to northern United States and Canada; dig large plants with 20 inch circumference of soil six inches deep; wash it thoroughly in a lake or lots of water remove the hard woody core, cut the rest into smaller pieces. Ca8l(2)-35 0
OSMUNDA: Does it Need Fertilizer? Cattleyas and phalaenopsis plants grown in it get most if not all the nutrients they need, without fertilizer; do not use more than one teaspoon to five gals, water with a 20-20-20 or other formula, and use only once a month. A66-1025 0
OSMUNDA: Importation Into Great Britain This has been banned. OR87-237 0
OSMUNDA: Its Qualities Many growers use it for all genera; it should be relatively strong in fiber quality, not decaying and soft; it has largely been replaced by bark. A74-114 0
OSMUNDA: Preparation for Use It grows in swamps; grub out the roots of the fern; dry them and remove soil and debris; sterilize with methyl bromide, to kill weed seeds, but handle with care; store in burlap bags; for use, soak it in water and cut into desired size for potting. A61-659; A61-823 0
OSMUNDA: The Ferns Of the 13 native to North America, three grow in Canada; descriptions, growing areas,etc. refer to Ca-81(3)-30; digging up, preparation fcr potting material, and use as a potting medium. Ca8l(3)-35 0
OSMUNDA: Treatment in the Pot Drench with 4% formalin to kill Fusarium spores. A86-74 0

New Topics

  1. William Gorski asked question Dendrobium Identification in category General Discussion
  2. Darrin Duling asked question Stenocoryne x Bifrenaria = Grex name? in category General Discussion
  3. Charles Vella started topic Orchid list Cold/Warm in category General Discussion
  4. Jan E Teitsworth asked question Can anyone identify this orchid? in category Oncidium Alliance
  5. Marianna Hynson asked question Need Help Identifying this Orchid in category General Discussion

New Comments

  1. Charles Vella commented on topic "Orchid list Cold/Warm" by Charles Vella
  2. Sandi Block-Brezner commented on topic "Brassocattleya hybrid?" by Sandi Block-Brezner
  3. Robert H. Findlay commented on topic "looking for info about an unregistered cattleya" by bob lewis
  4. james Hu commented on orchid Den. vannouhuysii
  5. Chase Hubbard commented on member plant Hknsa. Sogo Doll by Tom Kuligowski
  6. Colin Campbell commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  7. Sharie Heckaman commented on member plant NEW HYBRID (Lc. Cornelia 'Floralia' x Lc. Moonlight Dream 'SVO Moonlight Kiss' AM/AOS) var. Compact by Vickie Seibert
  8. Carol Holdren commented on member plant Lc. Memory of PienPien Wei by Robert Rand
  9. Robert Rand commented on member plant Bc. Yellow Bird by John Small
  10. Sharie Heckaman commented on member plant Btcm. Hwuluduen Chameleon by Diana Sammy
  11. Sharie Heckaman commented on member plant (C. Leoloddiglossa var. coerulea 'SVO Baby Blue' x C.Interglossa aquinii var. coerulea 'SVO') 'SVO' by Joshua J Peterson
  12. Sandi Block-Brezner commented on topic "Need Help Identifying this Orchid" by Marianna Hynson
  13. Sandi Block-Brezner commented on member plant Bsn. Maikai var. Louise by Sandi Block-Brezner
  14. Vickie Seibert commented on member plant Phal. Ember 'Carmela' by Vickie Seibert
  15. John Small commented on member plant B. nodosa ''H&R' 4N x 'Mas Mejor'' by John Small
  16. Robert H. Findlay commented on topic "Parentage of RLC Memoria Emma Chen" by Dean Haas
  17. Dean Haas commented on article "Have Local Orchids to Sell or Trade?" by Sys Admin
  18. Eileen Pryor commented on member plant Den. chrysotoxum by Tom Kuligowski
  19. Gustavo da Silva commented on member plant Max. callichroma by Gustavo da Silva
  20. Peter Goodin commented on topic "What is this?" by John Small