I hope the plant is still alive. For all East Asian Cymbdiums, I only use the Japanese mix from Japan (hard kanuma, baked akadama, and satsuma), potted in the traditional way. When potted in this, they grow like weeds and blooms every year. I only grow C. goeringii which is probably the most challenging one (in Toronto, Canada).
crossing between C. ensifolium and C. goeringii is not new. The only thing is since these 2 species have very different winter requirement, you have to know if this hybrid is more like C. ensifolium or C. goeringii. C. goeringii requires vernalization to bloom (the bud is formed at the end of summer and will only bloom next year spring, hence this species is called the Spring Orchid in Asia). If vernalization is not achieved, the flower buds will abort.
C. ensifolium will bloom anytime from end of April to end of September (hence it is called the Four Seasons orchids in Asia).
In many this types of crosses, if the flower blooming pattern is like a C. ensifolium, then you will treat it like a C. ensifolium. If the flower blooming pattern is like a C. goeringii, then you have to treat it like a C. goeringii. There are many Chinese "C. goerngii", althought, it blooms like a C. goeringii and is labelled as "C goeringii", they are actually a hybrid between C. goeringii x C. sinense. This type of "C. goeringii" is easier to bloom because they don't require so strict vernalization conditions as pure C. goeringii.
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