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gemmae photo period

can any of you pygmy growers tell me the photo period required for d.puchella to produce gemmae,i want to put them under flo lights because i do not think the winter sun is strong enough through my window,any advice would be good i have not grown pygmy dews before
Is this gemmae?

Corky, I am not sure what does it means gemmae? Is this gemmae?

<a href="https://picasaweb.google.com/lh/photo/XEfPiavuH92SRy8cv-HRU9MTjNZETYmyPJy0liipFm0?feat=embedwebsite"><img src="https://lh5.googleusercontent.com/-rhe3ekEQMqE/UKsNx-3Op5I/AAAAAAAABHQ/KQRtonSVaPI/s640/gemmae-01.jpg" height="480" width="640" /></a>
Corky, its not just photoperiod but seasonal temps that trigger gemmae.. They need to feel the range of seasons to be triggered usually.. For instance, in my set up and apartment, summer gets pretty dang hot.. The pygmies prolly get to 90ish during the hottest part of the summer, then as our weather cools down, so does the average ambient temp. I keep the plant room window cracked, even at night, so the night time temp drops as well.. Into the upper 50s usually right now. And they're all producing gemmae like crazy, even though I havent adjusted my light cycle to winter mode.
Corky, I am not sure what does it means gemmae? Is this gemmae?

Flasker, those are all unfurled leaves.. That doesnt look like a happy plant to me.. Pygmy sundews produce what are called "gemmae", and they're a secondary form of reproduction.. They pop off, and "hatch" into new plants, like seeds only much faster. This is a pygmy sundew covered in gemmae..

Thanks Brie for the info,think i will have them under lights on 14 hour light?the space gets in mid 50's at night and mid 60's days at the moment,i just do not think the window gets enough quality light
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Thanks Brie, answer is clear and picture looks so beautiful. BTW, what is the name of sundew ?
:-Oi have gemmae but too small for my little camera,not huge amounts of gemmae though,is this normal for puchella