Newly Posted Articles

GRAVEL CULTURE: Success with 12 Different Genera

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Roofing gravel used; 75% feldspar, quartzite and quartz, 25% calcite, decayed marble, limestone and garnet (decreasing in that order); 1/4 to 1/2 inch sizes, smooth and mostly round; treat with 75%... Read More

GRAVEL: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Quartz stone is a good substrate for Cattleya lablata and many encyclias; it needs more watering than bark and a periodical fertilization. OD87-147 Read More

CATTLEYAS, MINIATURE: Pruning

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago If latent eyes or new growth produces second but inferior growths toward formation of pseudobulbs, they can be broken off to reduce all growth to one eye or one growth. AU87Winter-59 Read More

CATTLEYAS, MINIATURE: Repotting Procedures

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Step by step advice for the hesitant. F84-229 Read More

CATTLEYAS, MINIATURE: Rest After Repotting

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago No rest period is necessary if it is potted at the right season and is placed in a shady, warm and humid spot until properly rooted. A84-367 Read More

CIRCULAR GROWTH: Of Rhizomes in a Pot

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Can be achieved by breaking off an eye consistently on one side. ODA71-72 Read More

GREEN POD CULTURE: Time for Pod to Remain on Plant

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago 100 days after pollination is sufficient for many genera. A65-909; A75-803 Read More

OUTDOORS GROWING: Summer Care

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Cool and intermediate plants benefit from being placed outside in northern latitudes; move the cool ones when night temperature is above 50 dF; return them to the greenhouse by mid-September; place... Read More

OUTDOORS GROWING: Virginia Area

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Plants respond dramatically to the change to outdoors; climatic factors and culture are important; refer to A75-507+ see also Cool growing Read More

OUTLINE: Of Orchid Subjects

Author is Robert M. [Bert] Hamilton (Compiler), posted over 8 years ago Whether writing an article, or a book the outline provided touches on all the necessary topics in a sequential way, from history through culture to hybridizing, economics, photography equipment; re... Read More