Orchids

Oncidium & Cattleya Bulb Rot: Identification & Treatment

orchid bulb rot

If you own oncidium or cattleya orchids, you’ll find that those plump rounded growths called “pseudobulbs” at the base of the leaves and above the roots are susceptible to rot. The problem of bulb rot in sympodial orchids (e.g. oncidiums, cattleyas, dendrobiums) is similar to stem rot in monopodial orchids (e.g. Phalaenopsis).  Bulb rot usually …

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