Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
It is too porous alone and in a high humidity situation it would retain too much water. OA82-6
Read More
LAVA ROCK: Potting Medium
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
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 leach...
Read More
LAVA: As Potting Medium
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Occurs in many varieties differing in structure and constitution; has many ideal growing characteristics; pumice is one variety; its advantages; refer to C72-70+
Read More
LAYERING: Of Cymbidiums
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
A form of layering to increase stock is to cut the rhizome between the bulb and well-rooted new growths; the back-bulbs (secondary) are thereby activated and start new growths; most main plants con...
Read More
LEADS: Broken Off Accidentally
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
The broken lead will not root itself with the aid of a hormone and should be discarded, as a new lead should develop beside it or below it. A82-37
Read More
LEADS: Cattleyas' Slow Growth
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Possibly caused by not enough light, or being kept too wet, or fed excess fertilizer; try Mir-Acid 30-10-10, at 1 tpg. A77-798
Read More
LEADS: Cattleyas' Tips Turn Brown
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
May be caused by over-fertilizing, or excess of soluble salts, or root injury; plan to repot early. A76-403
Read More
LEADS: Front
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Growing out of pot at blooming time; to avoid disturbing the roots of plants which need repotting, such as cattleyas, fill a plastic bag with sphagnum moss and perlite mix and apply to the roots ou...
Read More
LEADS: Multiple
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
How to encourage their production: cut the rhizome in places part through; let each root itself; repot singly. A79-272How to force a cattleya to develop them: cut through the rhizome three bulbs be...
Read More
ACID OR ALKALINE: Changing the Values
Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago
Various means can be used: tufa, a limestone form, can be added to paphiopedilums from limestone cliffs; bark composts acidify with age; peatmoss, pine needles, oak leaves in the mix produce acidit...
Read More
