Newly Posted Articles

POTTING MEDIA: Table for Beginners

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Actually a sophisticated tabulation and arrangement of about 25 ingredients of mixes arranged in three categories and from the least-absorbent to the most so; and then keyed to recipes deemed suita... Read More

POTTING: Faults

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The usual ones are: repotting at the wrong time; over-potting; faulty placement in the pot; neglected potting; unnecessary potting; for a review see AH50+ Read More

LIME: Oyster Shell, Its Characteristics

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago It is calcium carbonate lime; ground up shells comes in coarse type for chicken scratch or flour type used by many orchid growers. C74-51 Read More

HEATING: Infra-red Heat

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In greenhouses it promotes vigor in leaves and roots and flowers at an economical cost; the units use propane/butane, or natural gas; for details refer to A85-222 Read More

HEATING: Infra-red Heat Lamps

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Are suitable, providing there are no emissions of light in the 600 to 700 Mu range; the true infra-red range will not affect photoperiodicity of the plants. A74-433 Read More

HEATING: Kerosene Heaters

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They are safe if vented to the exterior; if there are few flowers to be injured they may be used unvented if adjusted to burn properly. A74-969 Read More

HEATING: Kerosene Stove

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use it only in an emergency; adjust it to a smokeless flame. A78-226 Read More

HEATING: Lp Gas Heater

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Unvented it causes yellowing of the leaves and bud drop; it produces ethylene gas; not recommended. A70-345 Read More

HEATING: Oil Stove

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Satisfactory if vented to the outside; adjust the flame to burn blue to yellow with no smoke, A71-715 Read More

XEROPHITIC ORCHIDS: Some Examples

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The genera include Angraecopsis, Cyrtorchis, Jumellea, Microcoelia, Rangaeris, Tridactyle and Ypsilopsis; plus Oncidium onusturn and Epidendrum boothianum. A80-1140 Read More

Ailments

(931 articles)

Angraecoids

(41 articles)

Announcements

(4 articles)

Beginners

(21 articles)

Book Review

(4 articles)

Bulbophyllums

(2 articles)

Cattleya Alliance

(95 articles)

Conservation

(16 articles)

Culture

(1363 articles)

Curiosity

(49 articles)

Cymbidiums

(163 articles)

Dendrobiums

(29 articles)

General Discussion

(3 articles)

Oncidium Alliance

(64 articles)

Orchid Doctor

(3579 articles)

OrchidWiz

(27 articles)

Other Genera

(12 articles)

Paph Alliance

(78 articles)

Phalaenopsis

(83 articles)

Pleurothallids

(1 articles)

Propagation

(184 articles)

Scientific

(4 articles)

Site Navigation

(2 articles)

Species

(62 articles)

Travelogue

(2 articles)

Vandaceous

(26 articles)