Quote:
Originally Posted by Whimgrinder
Why are you maintaining such a narrow temperature differential?? You saying that it is always 70-80F, day and night? With no day-to-night temperature differential, I can well imagine why its not proceeding with flower production.
I bought one of these from Hausermann's 10 weeks ago and all it had was two nubby spikes at the base, and now I have flowers forming. In my greenhouse the day-to-night differential is 62F at night and up to 88F in the day. I believe a wider swing between night and day is healthy and perhaps required for bloom production, even for bellina/violacea.
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Quote:
Originally Posted by Ray
Phal bellina is really a HOT grower, so I think you'd find it growing better with a higher daytime temp.
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Thanks for your replies - they made me buy a new thermometer that tracks daily highs and lows for temperature since I wanted to really see the conditions for the plants since I am not there watching 24/7.
The highest daily recording on average for temperature for the last week is 83. The plants sit on a seedling heat mat and are also heated by the T5 light they sit under. The lowest daily recording is 64 (both the lights and the heating mat are switched off during the nighttime in the summer).
It seems that is is hotter than I realized and colder than I realized, but I think the temperature differential should be enough. All of the three newest spikes are developing (and no new spikes). So hopefully it should bloom soon. Like I previously posted, I have a bellina that is a lot larger (6 inch pot) and is blooming under the same conditions.
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