Category: Culture

TEMPERATURE: Effect on Plants

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Lower temperatures at night aid the growth process; it slows the rate at which reserves are burning themselves up to form carbon dioxide and water; also, when the weather is dull it helps plants to... Read More

TEMPERATURE: Maximum

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago During daytime in summer 85 deg.F. should be the maximum; above that the harm may not be apparent but it does no good; better to control the temperature as much as possible. A73-487In the greenhous... Read More

TEMPERATURE: Minimum

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For cattleyas; for relatively dormant plants which have been exposed to a night or two of lower temperatures in the 40's can stand a few days just above freezing; with new growths developing a nigh... Read More

TEMPERATURE: To Set Buds on Paphiopedilums and Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago 50 deg.F. is not necessary, 55 deg.F. is low enough; for early cymbidiums (blooming November to January) a cool temperature to 55 deg.F. during the mid-March to May period will set buds; for mid-se... Read More

TERMITES: Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago In paphiopedilum medium of bark and peat use 40% chlordane WP at 1 ttpg. to kill them. A77-922 Read More

TERRARIUMS: Compost

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For paphiopedilums to be nearly self-sustaining use a mix of flaked oak leaf mold and/or chopped osmunda, with bark; could add a little very coarse sand, some Turface, perlite or sphagnum. A75-618 Read More

TERRARIUMS: For Orchids Generally

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use a 30-gal. long glass tank; use fluorescent lighting; use sheet moss from decaying birch logs; use a substrate of one inch perlite; build up contours with medium size firbark; use no soil; top o... Read More

TERRARIUMS: "three Dimensional"

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Use of tree-fern and osmunda to provide different levels for growing; their characteristics; a list of about 30 miniatures suitable for growing is given; refer to A76-136+ Read More

TERRESTRIALS, NATIVE: Formula for Potting Soil

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For Australian terrestrials a good mix is made up of 50 to 60% of sharp, washed river sand, 20% German peat, and 20 to 30% of decayed Eucalyptus leaf litter, or sawdust chips. A77-984For U.S. types... Read More

TERRESTRIALS, NATIVE: Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For Australian types, the Canberra Botanic Gardens mix is 50 to 60% sharp washed river sand, 20% German peat and 20 to 30% eucalyptus leaf litter or sawdust chips; use plastic pots, cold frames 25 ... Read More