Cyrtanthus falcatus—green flowers

Steve Marak via pbs
Sun, 27 Mar 2022 14:18:50 PDT
Bob beat me to that comment, but it's widely accepted in orchid circles 
that cooler temperatures, especially in combination with brighter light, 
yield more intense flower colors, sometimes dramatically so.

I haven't seen (or looked for) any research on the topic, but I've seen 
multiple flowers that developed in different temperature conditions that 
were so different in color I'd never have believed they were from the 
same plant if I hadn't had it in front of me.

But I think it's quite nice as it is.


On 3/27/2022 3:04 PM, Robert Lauf via pbs wrote:
>   I agree with Arnold, and my one suggestion, based on complete ignorance of Cyrtanthus but observations of many other things, is that much cooler conditions can enhance the production of anthocyanins.  So moving it outside any time the temps are above freezing might bring out more of the red.  Just a thought.
> And it does have a subtle beauty, nicely captured in the image.
> Bob
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