Category: Cymbidiums

CYMBIDIUMS: Forcing Flower Production

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Heat is used by commercial growers to advance time of flowering; two or three weeks may be gained by raising temperatures above 55 deg.F. but less than 60 deg.F.; bud drop may occur over 60 deg.F. ... Read More

CYMBIDIUMS: Growing Them to Perfection

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Details of successful culture on all points from greenhouse to weed control in the pots; for Australian conditions, refer to A88-9 Read More

CYMBIDIUMS: Natural Weather Conditions

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Meteorological data of Kalimpong, foothills of Himalayas, at 4,000 ft. altitude, latitude 27 deg.N. for each month; max. and min. temperatures; rainfall, etc.; January min, temp, is 45.9 deg.F.; Ju... Read More

CYMBIDIUMS: Non-flowering

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Most often caused, if other factors are favorable, by too much shade morning or afternoon. OD76-122 Read More

CYMBIDIUMS: Nutrition

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Trials with seven types of slow-release fertilizers showed Osmocote (8-9 months release rate) plus dolomite and trace elements maintained growth through "summer" at 3kg per cubic metre in the basic... Read More

CYMBIDIUMS: Optimums

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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: Optimums (minimum)

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago 45 deg.F. to 50 deg.F at night; 60 to 70 percent relative humidity; 4,000 fc. in winter, 8,000 fc. in summer. AU71-135 Read More

CYMBIDIUMS: Petal Curl on Buds

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Top buds mainly show it; sepals rather than petals show it; due to heredity; may well trace back to Cym. grandiflorum (syn. hookerianum); only recourse is to open the flowers "over a water tank" un... Read More

CYMBIDIUMS: Species' Flowering Times in the U.s.

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 years ago Cym. eburneum, Feb.-May; Cym. erythrostylum, Sept.-Nov.; Cym. finlaysonianum, April-Sept.; Cym. giganteum, Nov.; Cym. grandiflorum, Feb.; Cym. lowianum, April-June; Cym. pumilum, April-June; Cym. s... Read More

CYMBIDIUMS: Seedlings

Author is Robert M. [Bert] Hamilton (Compiler), posted over 7 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