Category: Cymbidiums

CYMBIDIUMS: Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Experiments on young plants at Pukekohe, N.Z., showed that at temperatures of 15 dC nights to 20 dC days produced greatest leaf area; at 12 dC to 26 dC bud initiation was best; the less shade the b... Read More

CYMBIDIUMS: Pots Standing in the Wet

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago In rainy conditions a film of water links all plants and from an infected one can spread phytophthora, rot, fungi, bacteria, even virus. OA80-79 Read More

CYMBIDIUMS: Potting Mix Basic Requirements

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago 1. high organic content, 2. good moisture retention. 3. good drainage. 4, good supply of nutrients, 5. a pH of about 5.5, 6. enough body to hold the plants firmly and retain moisture, 7. lasting qu... Read More

CYMBIDIUMS: Propagating by Backbulbs

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Dormant vegetative eyes on the side are capable of new growth when detached, cleaned, set in flats filled with finer bark, or placed directly into pots and shaded. A83-148 Read More

CYMBIDIUMS: Propagation Methods

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago By division, by back bulbs, by layering and by meristem culture; all described in some detail, refer to OA80-182 Read More

CYMBIDIUMS: Red Spider Treatment

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago Use Temik once or twice a year to discourage build-up; during flowering season the two best miticides are Pentac and Vendex plus wetting agent, because they are gentle on flowers and do not cause b... Read More

CYMBIDIUMS: Repotting

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago After flowering the plants are divided into 4-; or 5- bulb sections and repotted; roots may be trimmed first. A81-526Begin in January right after flowering starts; slice off an inch of the old root... Read More

CYMBIDIUMS: Seasonal Shortage of Flowers

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago The most common reason for failure to flower in the north is shortage of growing season, not enough sunshine, which makes them permanently non-flowering; try warmth starting in February and maybe a... Read More

CYMBIDIUMS: Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago After deflasking, start them in green moss which is available at most garden shops; roll some seedling roots in a strip of moss and place the wad in a pot as a cluster. OA86-207Always cull them; 95... Read More

CYMBIDIUMS: Sizes

Author is Robert M. [Bert] Hamilton (Compiler), posted almost 4 years ago A "miniature" in Japan is usually about two feet from bottom of pot to the top of the plant1s spike; "intermediate" there means 3 to 4 feet; standards are the biggest; in the U.S. sizes are for the... Read More

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