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Discussions about fluorescent, LED and other types of grow lighting for Venus Flytraps and other plants

Moderator: Matt

By DesertLlama
Posts:  95
Joined:  Fri Mar 06, 2020 9:08 am
I'm currently growing a Drosera capensis "Big Pink" on a 3ft shelf in front of a southern window with some Nepenthes. I'm hoping to fill up this space with some pots of pings and/or clumping sundews like spatulata or aliciae. Any other recommendations for easy growing clumpers would be greatly appreciated! I'm in Phoenix so windows can get a little toasty here in the summer.

Right now, the sunlight in my south window is great (~6 hours a day) despite living next to a mountain to the east that cuts down on morning light. Come summer, I expect hours of direct sunlight to go down significantly as the sun is directly overhead come noon time in addition to the mountain blocking some morning sun. I don't know how much of an issue this will be so I decided to look into supplemental LED light sources. I bought two of these LED grow lights from Home Depot: ... /302049784

They'll be about 5-6 inches above the Drosera and about 8-10 inches above the Nepenthes. Given that the plants are still in a window that in the summer will at least get tons of indirect sunlight, how long should I keep the lights on each day? I know the general recommendation for growing only off artificial light sources is 14+ hours a day, right? Should I still aim to keep them on this long or would something like 10-12 hours suffice?
By mcgrumpers
Posts:  248
Joined:  Fri Jan 11, 2019 4:39 am
Based on the specs, the light doesn't seem to be strong at all. I wouldn't even bother turning it on while you still have a decent amount of windowsill light. Once sunlight starts to wane, I am of the opinion that keeping the light on for 14-16 hours may be acceptable. Just keep in mind that you probably won't be able to grow anything that requires a lot of light with that light alone.
By DesertLlama
Posts:  95
Joined:  Fri Mar 06, 2020 9:08 am
That's what I figured. I just went for the cheaper option that would work in conjunction with sunlight rather than on its own. And 14-16 hours it is!
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