The Orchid Doctor Articles under the Heading Gypsum

Gypsum Comments
GYPSUM: As Top Dressing It can be beneficial for cymbidiums where the water supply has too much sodium; it adds calcium. OD76-122 0
GYPSUM: Supply of Calcium It is not highly alkaline, is available as a powder which should be useful in a tight potting mix but will wash out of a loose or open mix; pellets of it can be made by mixing Plaster of Paris with water, spread out as a thin paste to dry and then broken into flakes for adding to the mix. OIE85Jy-13 0

New Topics

  1. Rosemary Chenery asked question Lost tag in category General Discussion
  2. Glenda Ratliff asked question Issue with Blc. Ben O'Neil "Jubilee in category General Discussion
  3. Debbie Chase asked question Help identifying this orchid. in category General Discussion
  4. Harry Koplin asked question Snow birds dilemma. in category General Discussion
  5. didier fouquet asked question Looking to import Vanilla Pompona schiede in category General Discussion
Ask a Question

Start a Topic

New Comments

  1. Christiaan Viljoen commented on member plant Psh. fragrans by Christiaan Viljoen
  2. Christiaan Viljoen commented on member plant Z. maculatum by Christiaan Viljoen
  3. Christiaan Viljoen commented on member plant C. Gaskell-Pumila 'Azure Star' by Christiaan Viljoen
  4. Robert H. Findlay commented on member plant Rlc. Joy Sokabe var. Volcano Queen by Sally K
  5. James Lunsford commented on member plant Lc. Sagarik Wax 'African Beauty AMO/AOS x Blc. Cherry Suisse'Kauai' HCC/AOS var. Cattlyea 'Hybrid ' by James Lunsford
  6. John Varigos commented on orchid Bulb. schwarzii
  7. Linda Hartman commented on topic "Issue with Blc. Ben O'Neil "Jubilee" by Glenda Ratliff
  8. Henry Shaw commented on member plant Ons. Catatante 'Los Roble' by Henry Shaw
  9. Mary Lane commented on member plant Den. Tianmu Canary by Terre Moore
  10. Pamela Stegmaier commented on member plant Rlc. Esther Costa var. Orange Fantasy by Mary Lane