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  #1  
Old 06-15-2020, 03:39 PM
rbarata rbarata is offline
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milleri - on the verge of sunburn Male
Default milleri - on the verge of sunburn

Do you think it will handle these light levels?
Full sun from 10:00 to 20:00.
Day temps have been cool for the season, around 25ºC (77 F) with a forecast of an increase to 35ºC (95 F). The humidity not so low, between 40 and 50%.

Night temps around 12ºC (53 F) and HR 90%.

This more or less mimics the habitat but my concern, together with the light levels, is that the plant should have new growths by now.

















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Old 06-15-2020, 03:43 PM
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How long have you had it? The leaves look great. How much are you watering? In habitat they usually have grass growing over them in summer; I would not give your plant more light, and it would be fine with a little less for a safety margin on hot days to come.
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Old 06-15-2020, 03:50 PM
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I got it almost 2 years ago...it never bloomed.
I always water it before night fall, when temps are below 14ºC (57 F) I mist the medium to mimic the night dew. The actual frequency is every two days. With hot weather, everyday.
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Old 06-15-2020, 04:35 PM
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Maybe more water. The leaves are wrinkled. Do you fertilize?
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Old 06-15-2020, 05:18 PM
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Quote:
Originally Posted by estación seca View Post
Do you fertilize?
Yes, weakly with alternate waterings.
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Old 06-15-2020, 05:27 PM
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Consider fertilizing more. Your temperatures and light are good enough that nitrogen may be the limiting factor for growth. A lot of semi-desert and desert plants live with cyanobacteria that fix nitrogen. I don't know whether orchids do.
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