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Anybody tried 12/12 under HPS from seed?


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Has anybody here tried growing under HPS for a 12/12 lighting schedule from seed? I was reading on another forum that this guy has had really great results from the 12/12 lighting right from the start, and I was thinking that this might work particularly well if paired with HPS for the entire period (ie. instead of using MH for veg and switching to HPS for flower). The reasoning for why this might be a good choice for indoor growers is the following: 

 

  1. Growing indoors often involves a height/size restriction, and you might want to keep the plants short, particularly for SOG and other techniques. I suspect that the short lighting schedule would mean shorter plants due to less available light in order to photosynthesize the necessary structure for a large plant. 
  2. HPS lights apparently lack much of the blue light required during vegetative growth, meaning less physical size in the final plant, which is again advantageous in limited space. 
  3. You don't need separate areas for veg/flower if running two sets of plants simultaneously. Can this schedule even be used for rooting clones, I wonder? If so, then there's one more thing that this is good for. 
  4. Plants presumably just choose to flower when they are mature, rather than when you tell them to. This ensures that the plant just goes for it when its ready so you get the earliest possible opportunity to harvest, rather than possibly vegetating longer than is necessary. 
  5. Saves electricity, obviously. 

Dunno... I'm thinking of giving this a go. Does anybody have any thoughts? 

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Farkin scientists...... 12/12 from seed........ 6 hours less light a day to push em thru veg. They will also flower as soon as they preflower, meaning small plants.

Do it properly, nothing rushed brings good results......... you can get a plant to flower any time after it has pre flowers by changing from 18/6 to 12/12

be Ok for SOG, like ya said, but not much else.

 

Peace. Nibbler.

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IMO u would be better off with auto seeds, cause thats preety much what your doing to the feminized seeds.With your clones if you try this method it wont last long each time the plants will get smaller just like with autos cant clone em. If your worried about electricity consumption have a look at the 12 - 1 method of lighting think its called that. try source a clone then switch to 12 12.

 

haze 

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Has anybody here tried growing under HPS for a 12/12 lighting schedule from seed? I was reading on another forum that this guy has had really great results from the 12/12 lighting right from the start, and I was thinking that this might work particularly well if paired with HPS for the entire period (ie. instead of using MH for veg and switching to HPS for flower). The reasoning for why this might be a good choice for indoor growers is the following: 

 

  1. Growing indoors often involves a height/size restriction, and you might want to keep the plants short, particularly for SOG and other techniques. I suspect that the short lighting schedule would mean shorter plants due to less available light in order to photosynthesize the necessary structure for a large plant. 
  2. HPS lights apparently lack much of the blue light required during vegetative growth, meaning less physical size in the final plant, which is again advantageous in limited space. 
  3. You don't need separate areas for veg/flower if running two sets of plants simultaneously. Can this schedule even be used for rooting clones, I wonder? If so, then there's one more thing that this is good for. 
  4. Plants presumably just choose to flower when they are mature, rather than when you tell them to. This ensures that the plant just goes for it when its ready so you get the earliest possible opportunity to harvest, rather than possibly vegetating longer than is necessary. 
  5. Saves electricity, obviously. 

Dunno... I'm thinking of giving this a go. Does anybody have any thoughts? 

 

 

Yes, I've done it. I only use one light so seedlings often grow during short days, but to get them up to any decent size you need to lengthen the lighting hours once the plants are approaching 5 nodes tall. It's a useful technique for high percentage sativas that tend to gain height as they flower.

 

1. For SOG use clones, not seed plants.

 

2. Not these days, you can get HPS lamps suitable for veg and flower from many manufacturers.

 

3. If you use 12/12 for clones you will end up with little flowers on a stick.

 

4. really only true of autos, although it is true that a seed plant grown in short days will take longer to begin flowering than a mature plant... it's still the light cycle that initiates flowering.

 

5. Possibly...

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Hi Space Monkey , ive done a 12/12 from seed(random bagseed).. here is a link to my gallery it will give you a idea of what is possible.. this was my first run indoors, second grow ever.

 

I yielded 297g (8 plants) using  pottingmix, garden ferts, 600w hps. (dual sprectum) 

 

feel free to ask any questions..

 

Vape4life

 

 

 

 

https://cannabis.community.forums.ozstoners.com/gallery/album/1103-sirvapealots-second-grow/

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