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

Moderator: Matt

By Dave 1999
Posts:  62
Joined:  Thu May 11, 2017 2:01 pm
#299676
Hello im new to arificial lighting
And have some questions
I am planning to build my own grow rack but i dont know witch arificial lighting i need.
I am planning to grow there my sundews,
Nepenthes ,venus fly traps seeds and sarracenia seeds.
Hope someone can help me

Thanks for reading my post.

Happy growing

Dave
By Hungry Plants
Posts:  1136
Joined:  Mon Nov 28, 2016 2:41 am
#299690
You can use a wide array of lighting. T8,T5, CFL and LED. If I where to buy lighting for my rack at this point I would go with LED. Its brighter and cooler. My T5 do vary well for what the are but they get fairly hot.
User avatar
By xr280xr
Posts:  2806
Joined:  Wed Jun 22, 2011 3:29 pm
#299767
You want 5000-6500 K bulbs. Beyond that depends on the size of your rack. If you're only growing seedlings and sun dews, you might be able to get away with less light than you would need for more mature plants. I've found accidentally sprouted D. capensis and capillaris growing pretty happily in relatively very low light. What size area do you want to illuminate?
By Dave 1999
Posts:  62
Joined:  Thu May 11, 2017 2:01 pm
#299838
xr280xr wrote:You want 5000-6500 K bulbs. Beyond that depends on the size of your rack. If you're only growing seedlings and sun dews, you might be able to get away with less light than you would need for more mature plants. I've found accidentally sprouted D. capensis and capillaris growing pretty happily in relatively very low light. What size area do you want to illuminate?
I want to light up a area that is
( l×b×h)
Length = 69 cm
Wide= 49 cm
Hight= 120 cm

And i also want to grow my big ventrata's beside it
:D
Thx for the response
User avatar
By xr280xr
Posts:  2806
Joined:  Wed Jun 22, 2011 3:29 pm
#299861
You could rig up several CFL bulbs, use a 2 ft fluorescent tube fixture, or an LED grow light. 2 ft fluorescent fixtures do exist, but they're a little harder to find and more expensive than the 4 ft ones. LED lights seem to come in all different shapes and sizes and are the most expensive, but a quality one will eventually pay itself off in energy savings.

(From here on out I'm speaking about cfl/fluorescent lights because that's all I've used. LED grow lights can emit much more specific wavelengths so their consumption and output is lower.)

Just make sure you get the right color temperature (as I mentioned above), keep the light source as close to the plants as possible and make sure your lighting has a reflector to direct all the light down towards the plants. Just a guess but I'd estimate you'll want no less than 2000 lumens and it would be very reasonable to double that.
By Dave 1999
Posts:  62
Joined:  Thu May 11, 2017 2:01 pm
#300086
So i somewhere wrote that red or bleu Pigments are best to grow plants under
Is this true or is this not true ?

And if i would go with led 5000K - 6500K
Could i grow a highland nepenthes under that ?
And another question what are fotohours?

Thx for the help

D
By Dave 1999
Posts:  62
Joined:  Thu May 11, 2017 2:01 pm
#300114
So today i made my growing setup
I bought a 7500k TL light
Full colour
With alot of blue, red, green and yellow
Reflector plate on top of my grow rack is coming :D
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