This Oncidium varicosum is an example of why I need to keep better notes than I do. I don't have a specific memory of when and where I got it, and my earliest note says "repotted" and is dated July 2008. It bloomed last year because I took the flower picture.
Oncidium varicosum grows in Brazil, Bolivia and Paraguay. It is cool to hot growing and blooms in summer and fall with many yellow flowers on spikes up to 5 feet long.
Even potted in rock the plant will get too heavy on one side to be stable as soon as the next pseudobulb develops. To fix that I am going to set the whole thing in a clay pot rather than re-pot.
It bloomed in the Napa greenhouse but it is in the Sonoma greenhouse in the display window. The spike is only moderate length, nowhere near the "up to 5 feet" that the literature suggests. Still, it is a respectable display of flowers. After blooming I may leave it in Sonoma as the cleanup of the Napa greenhouse continues.
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