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. Pam Alexander asked question How to repot a Mattie Shave in category General Discussion
  2. Rae Walker asked question Name help in category General Discussion
  3. John Small asked question Schomburgkia, species or hybrid in category General Discussion
  4. Robert H. Findlay asked question Help with ID of this Eria sp. in category General Discussion
  5. Osura Mindula Gunasena asked question Help to Identify the Id of this Vanda in category General Discussion

New Comments

  1. Carol Holdren commented on topic "How to repot a Mattie Shave" by Pam Alexander
  2. Frank Cambas commented on member plant Zns. Cynosure var. Blue birds by Ben MG
  3. Robert H. Findlay commented on topic "Lady Bug or dangerous bug" by John Small
  4. Robert H. Findlay commented on topic "Help with ID of this Eria sp." by Robert H. Findlay
  5. Carol Holdren commented on topic "Name help" by Rae Walker
  6. Carol Holdren commented on member plant Dtps. Younghome Little Spirit by Heather A
  7. Sara D commented on member plant Den. Green Mist by Sara D
  8. Sara D commented on member plant Phal. bellina var. Coerulea by Sara D
  9. Sara D commented on member plant Pot. Marie Yellow Bird var. Love Love by Sara D
  10. Carol Holdren commented on topic "Help to Identify the Id of this Vanda" by Osura Mindula Gunasena