The Orchid Doctor Articles under the Heading Lava Rock

Lava Rock Comments
LAVA: As Potting Medium Occurs in many varieties differing in structure and constitution; has many ideal growing characteristics; pumice is one variety; its advantages; refer to C72-70+ 0
LAVA ROCK: Also Called Scoria Red lava rock can be obtained in the western States from commercial-industrial roofers and from plant nurseries. A83-951 0
LAVA ROCK: A Review of Culture After Two Years Trial Red lava rock in clay pots was still ideal for a general collection of cattleyas; phalaenopsis, in plastic pots; vandas in one-inch size rock also in plastic, the same for dendrobiums, equitant oncids in small clay pots, plus many other genera; 20-20-20 fertilizer on seedlings was served year round and on the general collection from April to June; a feed of 5-15-5 was given June to August and January to March; a bloom booster was given in October to December or even into February in cooler areas. A83-950 0
LAVA ROCK: As a Substitute for Bark Red lava has distinctive characteristics, for comments, comparisons, criticism which point up mostly its advantages, such as re-usability for many applications and because it does not assimilate nitrogen it is appropriate for many genera, cattleyas and dendrobiums especially. A80-1384 0
LAVA ROCK: As Potting Medium Growth in this is satisfactory providing it is not allowed to get too dry and if it is periodically flushed to get rid of the salt build-up. A80-1141It lasts almost forever, resists rot, is cost-effective, drains well, has no problems associated with it, can wait for repotting until third or fourth year; is popular in Hawaii. A86-495 0
LAVA ROCK: In Cymbidium Mixes It is too porous alone and in a high humidity situation it would retain too much water. OA82-6 0
LAVA ROCK: Potting Medium Used in Hawaii, also in California; success reported for various genera, especially with cymbidiums and using coarse lava rock and coarse bark mixed; lasts five years; do not use conventional leaching but water heavily; both black and red volcanic rock used; can be mixed with gravel, crushed rock, pebbles or chopped polystyrene packing materials. OA78-198 0

New Topics

  1. Nancy Shapiro asked question Where did you find this type of orchid pot? in category General Discussion
  2. Charles H Wood asked question Orchids wanted St.Croix usvi in category General Discussion
  3. William Gorski asked question Is this a species or Primary Hybrid? in category General Discussion
  4. Therese Stecher asked question Banrot 40WP in category General Discussion
  5. Chen Jimmy asked question How to determine the species composition? in category General Discussion

New Comments

  1. Carol Holdren commented on topic "What is the culture for Cattliante Chongkolnee" by Mike Minney
  2. Dianne Mayne commented on topic "Banrot 40WP" by Therese Stecher
  3. Linda Thorne commented on member plant Paphiopedilum Munchkin Mopsi Aru by Linda Thorne
  4. Carol Holdren commented on topic "Orchids wanted St.Croix usvi" by Charles H Wood
  5. William Gorski commented on topic "Is this a species or Primary Hybrid?" by William Gorski
  6. Henry Shaw commented on member plant Coel. Jannine Banks 'Snow White' by Henry Shaw
  7. Carol Holdren commented on topic "Trichocentrum luridum" by Danny Lyon
  8. Carol Holdren commented on topic "How to determine the species composition?" by Chen Jimmy
  9. Lois Lane commented on member plant Ctna. Why Not by Alex Maximiano
  10. Carol Holdren commented on topic "SSPECIES OF ORCHID" by JENNIFER CHARMAN