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from the Logee's growers

Growing and Blooming Cattleya Orchids

By Laurelynn Martin and Byron Martin

Blc Orchid Turner’s Ace ‘Tropical Treasure’ (Brassavola x Laelia x Cattleya hybrid)
Blc Orchid Turner’s Ace ‘Tropical Treasure’ 

Cattleya Orchids are some of the most beautiful orchids in the world. Their stunning colors make them beloved jewels of the jungle. To understand their culture and care we need to look at their native habitat. They grow in the upper story of the jungle forest canopy and are epiphytes. They need a porous potting mix and should never sit in water. Cattleyas also grow as rhizomes; that simply means their stem runs along the ground or tree trunk from which arise pseudobulbs and leaves.


Light Level

Cattleyas need high light, high enough to turn the leaves pale in color not a deep green. This is healthy. If you see cattleyas with a deep green leaf color, then they are not getting enough light.



Cattleyas grow best in day temperatures that range from 65° to 85° with the minimum night temperature around 55°. We recommend night temperatures above 60°.

Blc Orchid Hawaii Stars ‘Pink Lace’
Blc Orchid Hawaii Stars ‘Pink Lace’ 



They need periods of dryness between waterings and should never sit in a saucer of water. Basically the potting medium should be brought to near dryness between waterings.



We recommend growing in clay pots so water is wicked away from the root system, keeping the plants healthy. The potting media in clay pots dries out quicker and this makes for healthier roots.



Orchid Myst

There are several types of orchid fertilizers available on the market including those to promote growth or bloom. We recommend a dilute fertilizer solution every other watering. Then flush with clear water between fertilizer applications. Orchids are meager feeders but they do benefit from fertilization.  



With good care and culture, cattleyas will flower reliably once, or even twice, a year. As new growth matures, the flower buds form where the leaves meet the pseudobulb. In some varieties the floral sheath will emerge along with the maturing growth. Others varieties will wait until there is a seasonal change in daylength before the flowers begin to grow. It's always the older leaves and stems that produce the energy for next year's bloom.


Cattleya Orchid Hagan’s Ace ‘Mandarin Orange’
Cattleya Orchid Hagan’s Ace ‘Mandarin Orange’ 


Cattleyas have rhizomes that grow in one direction. They generally need to be repotted so they don't run out of their pot. Sometimes bark or coir potting media can get too old. When the media breaks down then moisture is held against the roots and the root system can be damaged. At the time of repotting, divide the plant up so there are at least three mature pseudobulbs and leaves. This provides enough energy to the plant for the ensuing year's growth so it's strong enough to produce flowers. Cattleyas should not be grown in soil or potting mix. Plant them in coir chips, fir bark or loose clay aggregate so there is plenty of air for the roots.


Tips on re-potting

Cattleya orchids need to be held securely in the pot. Tamp down the media firmly. Even old roots can help anchor the plant into the new pot.



Plants are generally not pruned, however, flowers and the old flower stems can be removed after blooming.


Potinara Orchid (San Damaino x C. Chocolate Drop) ‘Doris’ (Potinara hybrid)
Potinara Orchid (San Damaino x C. Chocolate Drop) ‘Doris’ (Potinara hybrid) 


If Cattleyas don't re-bloom, it's generally a light level issue. They are not a low light plant and need to be grown in a south, southeast or southwest window. Too much sunlight can burn the leaves, but make sure your leaves look yellow. People generally think yellow leaves indicate that the plant needs fertilizer, but this is perfectly natural for cattleyas.



They are not too susceptible to pests. There are some insects that can get on them. But generally they are pest free.


Fungal diseases

Occasionally black spots appear on the leaves but if they are in warm enough temperatures and are able to dry down between waterings, then you should not have fungus problems. Root disease can be an issue but proper watering and an occasional repotting will eliminate it.


Biggest Challenge

Roots are the key to having a healthy Cattleya. You must have open air media that is not decomposing and do not let cattleya orchids sit in water.


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