ODONTOGLOSSUM GRANDE: A Problem Plant

Oncidium Alliance Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

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Grow it warm or cool?; try growing it out-of-doors in summer, or in the cymbidium house with a minimum of 45 deg. to 55 deg.F. nights. OD75-202 (Rossioglossum grande)

How to flower it?; flowering normally takes place late August to October; build up the bulb until growth stops about mid-November; place up high and dry and do not water November to May; new growth starts about March; roots appear in May when watering can begin lightly; spikes appear well before bulb is made up. ODA73-108

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ODONTOGLOSSUM GRANDE: A Problem Plant; How to Flower It? Grow it warm until Labor Day; then move it to the cymbidium house or a cool spot but withhold water until Christmas; then move it back to the warmth. ODA72-128 0

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