VANDAS: Minimum Optimums

Orchid Doctor Vandaceous

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
55 to 65 deg.F. nights; 40 to 50% relative humidity; 4,000fc. winter and 8,000fc. summer. AU71-135; temperatures. OR80-118+
Share on Social Media:  
Log in to Add a Comment

More The Orchid Doctor Articles under the Heading Vandas

Vandas Comments
VANDAS: Air-layering Cut around the stem into live tissue; dust with Rootone, and place wet sphagnum over it, cover with polyethylene and secure with elastic bands; wait till roots are 1.5 inches, cut off and pot. F70-117 0
VANDAS: Crown Rot During rainy weather in Florida additional protection is advised; deposit a small teaspoonful of Captan in the uppermost leaf axils and the crown; with each watering or rain a deposit of Captan will be washed down and protect susceptible points. F76-134 0
VANDAS: In Baskets Because "potting on" with them can be a problem, start with three inch baskets for seedlings and when necessary move it whole into a four inch or five inch size, and continue this system (move both plant and basket) the roots are not damaged nor set back; fill in the spaces with pieces of charcoal; Florida. F86-86 0
VANDAS: Inducing Rooting To make roots appear half -way up the stem so that dividing and repotting can follow, peel the tight brown outer covering "bark" off the stem; a root tip should appear soon after. AU76-129 0
VANDAS: Lack Roots Up-stem for Repotting Air-layer the stems to induce rooting by wrapping some places on the stem with moist sphagnum wrapped with polyethylene secured top and bottom with string or elastic, until new roots are large enough to warrant cutting off the stem part. A76-698 0
VANDAS: Leaves Curl, Turn Yellow and Fall This shows up in the fall, with cool weather; it is caused by a poor root system, or nutrient deficiency; fertilize regularly during the summer. F76-33 0
VANDAS: Leaves Fold in V-shape Caused by insufficient water and/or humidity and/or excessive sunlight. F76-85 0
VANDAS: Movability For show purposes; because the roots otherwise spread and cling widely to the bench, etc., when potting place the plant in the pot so that the media comes up only half-way, so that the roots will circle the top half of the pot. AU76-129 0
VANDAS: No Blooms Vanda hybrids with V. sanderiana blood will not bloom if kept too cold, even when located south of Miami; also, relatively strong light is necessary. A71-345 0
VANDAS: To Make More Plants Cut off the top half or so of the plant so that it has aerial roots, leave the leaves on the bottom section, soak the roots to make them pliable for placing within the pot in new pot and potting mix. A69-55 0

New Topics

  1. John Small asked question Paper Wasp? in category General Discussion
  2. Sharie Heckaman started topic Photos of plants in category General Discussion
  3. Roberto Lizama started topic Orchid identification in category General Discussion
  4. Roberto Lizama asked question Help to idenficate this orchid in category General Discussion
  5. William Gorski asked question Dendrobium Identification in category General Discussion

New Comments

  1. Carol Holdren commented on member plant Phal. buyssoniana by Robert Oceans
  2. Mary Lane commented on member plant Fdk. After Dark 'SVO Black Pearl FCC/AOS; CCE/AOS' by William Gorski
  3. John Small commented on topic "Paper Wasp?" by John Small
  4. Lauren Hutchison commented on topic "Help to idenficate this orchid" by Roberto Lizama
  5. Carol Holdren commented on member plant Phal. Timothy Christopher by Vickie Seibert
  6. Carol Holdren commented on topic "Photos of plants " by Sharie Heckaman
  7. Carol Holdren commented on member plant C. Ronald Fonseca var. Compact 'SVO' by Vickie Seibert
  8. Roberto Lizama commented on member plant Ntl. bicolor by Roberto Lizama
  9. Carol Holdren commented on member plant Gra. stapeliiflora var. Waki by Melvin Waki
  10. Vickie Seibert commented on member plant Phal. Anna-Larati Soekardi 'Wilson' by Vickie Seibert
  11. Carol Holdren commented on member plant Rrm. Spunky by Melvin Waki
  12. Charles Vella commented on topic "Orchid list Cold/Warm" by Charles Vella
  13. Sandi Block-Brezner commented on topic "Brassocattleya hybrid?" by Sandi Block-Brezner
  14. Robert H. Findlay commented on topic "looking for info about an unregistered cattleya" by bob lewis
  15. james Hu commented on orchid Den. vannouhuysii
  16. Chase Hubbard commented on member plant Hknsa. Sogo Doll by Tom Kuligowski
  17. Colin Campbell commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  18. Carol Holdren commented on member plant Lc. Memory of PienPien Wei by Robert Rand
  19. Robert Rand commented on member plant Bc. Yellow Bird by John Small
  20. Sharie Heckaman commented on member plant Btcm. Hwuluduen Chameleon by Diana Sammy