Newly Posted Articles

PAPHIOPEDILUMS: Yellowing of Leaves

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Caused by a deficiency of magnesium, especially among hybrids, it can be cured by watering witti Epsom Salts (Magnesium Sulphate), at the rate of one heaping teaspoon in a cup of warm water which i... Read More

PARASITES ON ORCHIDS: Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The mistletoe is one such, refer to A85-976 Read More

FREEZING: Of Popular Genera

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago If plant is not completely frozen it may recover; may take three to five years to flower again. A62-399 Read More

WATER, HARD: Near Maximum "hardness Index"

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago If the water coats pots and plants with lime residue, perhaps rain water should be collected for periodical use; demineralizer units are expensive but laboratory models are more moderate; address g... Read More

WATER, HARD: Softened with Soda Ash

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Do not use this on plants. A67-466; A78-812 Read More

DIVIDING: Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Disinfect all tools used for cutting; paint the surfaces' cuts with Bordeaux paste or asphaltum paint. AH86-76Propagating on a small scale; necessary steps in dividing and making best use of backbu... Read More

WATER-IN: Wetting Agent

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Available dry, it can be added to the patting mix. OA86-50; add 2oz. of it to 5 gallons Hudlow's liquid fertilizer. OIE86Jy-10 Read More

WATERING (GENERAL): First Lightly Then Heavily

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago The first watering is to wet the medium and the second is to leach out the residual alkali. OD72-227 Read More

WATERING (GENERAL): First Water Then Fertilize

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Dry roots do not like fertilizer. A69-524; A74-114 Read More

WATERING (GENERAL): Postulates

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Watering is to be done only when the root tip is actively growing and maintaining the green section at the tip at its optimum length. OD68-304 Read More