Category: Culture

POTTING MEDIA: Charcoal and Brick

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For vandas, arachnids, aerides, etc., in Malayasia it is satisfactory in an area of high humidity and much rain. A71-153 Read More

POTTING MEDIA: Media Ingredients Mixing

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Place all the materials in a plastic bag with sufficient water then roll it around to mix them well; set the bag aside for three to four days. A69-577 Read More

POTTING MEDIA: Re-use

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Never, under any circumstances use old potting media to re-pot your good plants. A75-481Opinions may vary as to the advisablity of using old media on good plants; material accumulated from old catt... Read More

POTTING MIXES: Basic Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago They must support the plant; provide a micro environment for roots to receive adequate humidity, and aeration; and for water and nutrient availibility; should be made of materials that will not rot... Read More

POTTING MIXES: Cattleyas

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recommended: 6.5 parts fir bark, 1.5 parts coarse peat moss poultry grade, 1 or 1/2 parts redwood bark fiber, 1/2 or 1 part perlite coarse, with a small amount of limestone and fertilizer. A68-146 Read More

POTTING MIXES: Cymbidiums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Recommended: used in Santa Barbara area by six leading growers; fir bark is the basis of five of them; many other ingredients mentioned; refer to C74-22+ Read More

POTTING MIXES: General Suitability

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago For different genera: two parts peat moss, one part coarse sand, one part Perlite, an amount of bark to suit the requirements of the orchid; to one bushel of that add two ounces limestone and two o... Read More

POTTING MIXES: New Developments in the Sixties

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago Many growers prefer two parts bark and one part redwood bark fiber; or, 60% bark, 25% coarse peat moss, 15% redwood bark fiber and 107o coarse perlite, all of this rather than straight bark because... Read More

POTTING MIXES: New Jersey No.1

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 8 years ago One-third peat moss, coarse poultry grade, one-third oak leaves, dried and undecomposed, one-third redwood bark fiber, insulation grade or Palco Pete's mulch; grind the leaves to one-half & thr... 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