When to flower?

They are either Girl Scout cookie or northern lights I had 4 seeds from bags 1 male one died and one is in week 2 of veg and well u seen pics of the last seed I had.i have 72" tent 11" light so I have a total of 5 feet total of grow space and with the pot and play I'm at 18 inches so I'm gonna wait till there 24 inches that would leave about 24 " to stretch...?i did some Lst training also last night so they should be able to let them veg about another month I think

jcurtis912 said:

Ive tried all types of methods. For me i seem to get the best results when i wait to see a preflower. This takes patience, and most people dont want to wait that long.

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I have a lot of preflower so I'm just more worried about space....

MedicalGardens said:

Mine are still in veg and there 3 1/2 feet tall trying to get like 7 oz on 1 plant tho

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How do you know how much you'll get off each plant

Tx-Peanutt said:

I have a lot of preflower so I'm just more worried about space....

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Some of these folks may not be around given how old the thread is. Started in 2007.

If your dealing with Northern Lights or GSC either should be indica dominant which is a bonus with your height.
I think your on to a reasonable plan at the height you were already thinking.
If your adequately lit (as you are) and keep your light close you shouldn't have much issue with your plan as it is. If they get out of control you can manipulate the branches to suit your space.

Yes sir she has been tied down twice I checked this morning before work and they had already turned up again so it shouldn't be long .If I'm wanting to clone should I start them before I flip to 12/12

playedoutpurp said:

View attachment 2396899View attachment 2396902 would you flower ? View attachment 2396916 top of the plant.

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From the third picture it looks like that plant has started to flower. If not it is real close and I would go ahead and turn the timer to 12/12.

Good luck, BigSteve.

Tx-Peanutt said:

I am using a 600 watt setup with a dimmable ballast from vivoson I was gonna flower when they were about 15-18 inches cuz I have a 36x36x72 space ..Do u think I'll be ok

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look at my grow!

This can be strain dependant, as well as light dependant. As some strains can stretch upto three times the height they are before the switch. With the general rule of thumb being to have the light between 18 and 24 inches above the canopy or top most part of the tallest plant, you should work out the maximum height you would want your plants to reach, and divide that by three. Then once your plants reach that height, you should flip to 12/12.

It ended up being an auto .... It was a bag seed that I topped thinking it was a photoperiod plant . But thanks for the advise