This orchid is the cornerstone of Australian Dendrobium Hybrid breeding. The taxonomists tried to change the name of varieties to separate species names which would be a disaster because no one kept records of which particular variety was used in making the many hybrids. I think the orchid pictured is the variety giganteum.
Very nice! I recently purchased the species, and luckily it came in flower. I specifically chose it because it is Australian in origin, and seems to be able to take extremes of temperature according to SBorchids. Cheers and happy growing~ Maryanne
I have from a recent trade with Nick, Dendrobium Hilda Poxon that is half tetragonum and half speciosum. To my surprise I see the start of 3 spikes. I'll post pics if they bloom.
What is your growing conditions for this Den. How low a temp can it tolerate?
It summered outside so so summer temps were in the mid 80s down to the mid 60s. I left it out until night temps dropped into the low 40s. It was not phased by the colder weather. I bet it could take a few nights in the 30s. Now it is in the indoor space where it gets between 75F and 58F. It is under a 125 Watt CFL. The only issue i have is it quickly becomes displeased when it dries out for a couple of days. The leaves will curl and the buds will blast.
stampstudio73137 kemp
arthurm
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shavedmonkey (Harvey in South Fl.)Z10b
Darlene (GreenCurls)Original Author