Quote:
Originally Posted by K-Sci
I'm envious. My dendrobium aggregatum bloomed in my care for the first time this year. It never flowered when I was growing it outdoor in the summer / under lights in the winter, though I've had it for 5 years or so. It produced one spike with maybe 20 flowers this year. I've read that the key to flowering it well is to cut way back on water during the winter, which I didn't do this year.
-Keith
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Den aggregatum (aka aggravation) requires cooler, brighter & drier conditions from late Oct till inflorescences appear.
For years I couldn't get mine to bloom, when I left it hanging with other Dendrobiums. Then I moved it up high on the northern wall, and literally did not water it at all from Nov 1st. It promptly bloomed in late February, which is when I started to water again.
This works in a high humidity greenhouse. In a house, I would suggest a light watering every 3 weeks or so.