Category: Culture

REPOTTING: Neglected

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Masses of roots and growths developing outside a pot results in extensive root damage; wait for new roots to show on newest leads; treat the plants as invalids for a month. A67-565 Read More

REPOTTING: Rooting Hormone

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For cymbidiums use a solution of B-One or Superthrive every ten days to aid rooting. OD74-42 Read More

REPOTTING: Wrong Time

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Divisions with no emerging roots warrant treatment as for imported plants if repotted at the wrong time; they need high humidity, shade, frequent light syringings and care to avoid overwatering, ot... Read More

RESPIRATORS: Benefits in Using

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They may act as both a mechanical barrier to stop spray inhalation and as a chemical barrier to gas inhalation; use gloves with such chemicals as Zectran and Guthion and direct the spray away from ... Read More

REST PERIOD: Definition

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago When the season's growth is made up in late fall and pseudobulbs are mature, many plants go into a rest period lasting until growth starts again in the spring; genera with species which rest includ... Read More

REST PERIOD: Necessity for

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago The idea that all orchids need a rest period is a fallacy; not necessary for many modern hybrids; a good practice is to water all plants with good green leaves. A68-431 Read More

REST PERIOD: Not Necessary for Plants Growing Under Optimum Conditions

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago With few exceptions (such as the deciduous dendrobiums) the generalization about the necessity for a rest period is questionable; proper feeding and climate should bring frequent flowerings not inj... Read More

RICE HULLS: Properties as Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Approximately the same as for peanut shells, which see. Read More

ROCK: As Potting Medium

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Crushed rock, sized according to the size of the plant, from roofing gravel up to about 1.5 inches; after a few years repotting is necessary because the spaces between the rocks become full of root... Read More

FERTILIZERS: Organic or Inorganic

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Bacterial activity is low at 50 deg.F. (10 deg.C.) so it is better to use inorganic types of fertilizer in cold weather;use an organic in warmer temperatures. AU73-185Both can be used; liquid organ... Read More