Pure sativa 12/12 from seed???

keifcake

Well-Known Member
Anyone ever run a pure sativa 12/12?
IF so whats the expected time til harvest?

From what ive seen most strains people grow are done in about 12 weeks. Most of which are indica hybrids, or pure indicas.
 

redrum83420

Well-Known Member
idk, but i have a mostly sativa going 12/12 from seed. its about 2 1/2 months old, and looks like it has at least another month to go.
 

sso

Well-Known Member
pure sativas generally grow in a 12 hour light environment (gets dark, real quick in the tropics and stays that way for 12 hours)

according to bricktop, you should use 11 hours light for the sativas to speed up flowering (some sites mention going as far as 9 hours) since sativas can keep going for close to a year in 12/12 before finishing and get pretty big.

im growing a pure sativa for the first time myself, i topped and id advise the same lol.

been running it in 11 hours light for some time now and it keeps on growing but no flowers in site (not just stretching, there are about 2-3cm´s between nodes.)

1.5 months old maybe (ran it in 24 hour light for the first 2 weeks) and 1.2 feet in height with 4 equal tops.
 

homebrewer

Well-Known Member
I'm assuming you're worried about height which is why you're thinking about 12/12 from seed. While you can expect a stretch in flower, it's not going to get out of control unless you have a 2 foot plant going into flower. Even then, you can still train it and even without training, it would barely triple in height in flower.

My advice: veg to 12 inches, then flip the lights.
 

keifcake

Well-Known Member
Yea height is a concern. I have several diff strains going and one box. the sativas are bag seed. im gonna do the perpetual grow thing, and i only have one box.
I would veg longer but with a few already going and one box itll be awhile before i have that option.. that and i wanna burn sumin without buying, so once i have a few oz. i may go to the veg for a month or so then flip...

I'm assuming you're worried about height which is why you're thinking about 12/12 from seed. While you can expect a stretch in flower, it's not going to get out of control unless you have a 2 foot plant going into flower. Even then, you can still train it and even without training, it would barely triple in height in flower.

My advice: veg to 12 inches, then flip the lights.
 

keifcake

Well-Known Member
Yea i was wondering about that, i thought it was sumin pretty close to even dark/light around the equator. they havent gotten real big, ive lst'd and just did a fim yesterday so their still real short... i guess if they dont show sex in the next 2-3 weeks i may lower it an hour. idk yet, i doubt one less hour will hurt the indicas and hybrids. I just wanna try these bag seed sativas as they were pretty good smoke and they are good looking plants. very vigorous.

pure sativas generally grow in a 12 hour light environment (gets dark, real quick in the tropics and stays that way for 12 hours)

according to bricktop, you should use 11 hours light for the sativas to speed up flowering (some sites mention going as far as 9 hours) since sativas can keep going for close to a year in 12/12 before finishing and get pretty big.

im growing a pure sativa for the first time myself, i topped and id advise the same lol.

been running it in 11 hours light for some time now and it keeps on growing but no flowers in site (not just stretching, there are about 2-3cm´s between nodes.)

1.5 months old maybe (ran it in 24 hour light for the first 2 weeks) and 1.2 feet in height with 4 equal tops.



Plus rep to all....
 

keifcake

Well-Known Member
Ill go check it out...
I was figuring it would be quite awhile longer since they run longer anyway.... hopefully the auto jock horror will hold me over till those are done..i just got my acapulco gold in from the promo and germed it this week. the pure sativas have been going for 2-3 weeks... I need sumin to burn besides pure couchlock. well see i wont comlain much if thats all i have to burn....

sorry bout all the posts, not sure how to multi quote and hi enough i dont care to try and fig it out atm....

idk, but i have a mostly sativa going 12/12 from seed. its about 2 1/2 months old, and looks like it has at least another month to go.
 

tafbang

Well-Known Member
I have a sativa that is 12/12 from 3week veg, it's 4months old and 7feet tall. "tafbang" in search
 

homebrewer

Well-Known Member
Don't bother searching through the 35 pages of arguing and no pics in tafbang's thread. No offense but that's probably the worst journal I've ever seen. Not because of your growing, because there are basically no pics of that. Just the arguing and stuff, i'm sure you know.
 

MrDank007

Well-Known Member
I'm going to disregard the above in hopes of a valid response. Perhaps someone can rebut this scientifically...but it would seem to me it would be better to veg for a couple of weeks so you could top plus get some additional vegetation. Sativas have skinny leaves as it is...seems you would want more of them to absorb the light.
 

tafbang

Well-Known Member
I'm going to disregard the above in hopes of a valid response. Perhaps someone can rebut this scientifically...but it would seem to me it would be better to veg for a couple of weeks so you could top plus get some additional vegetation. Sativas have skinny leaves as it is...seems you would want more of them to absorb the light.
If you look at the guy on here that said he did a 12/12 sativa he has a pretty nice plant.... I don't believe that 2 weeks of vegging is going to make a credible difference, but If you were to veg a Sativa for much longer I'm sure the results would be much greater. It's basic science. but with sativas, will that time be worth it?
 

keifcake

Well-Known Member
I dont think it would be beneficial.. Plus in 12/12 they have to veg anyway till their ready... I dont need a whole lot anyway, i have several going and like vairety... thats the main reason im doing 12/12 so i can always have sumin getting ready and sumin always different without having to wait so long between strains... i know i wont get much more than an oz off of each. but for 10-25 bucks a seed thats a cheap oz... around here ittll go from 400-500 an oz. and its not really that good. doesnt have the leg to it i like. i like that weed that keeps you high for 4+ hours.

the lst and fim i did to them seems to be working pretty well, so thatll produce enough branches, bud sites, and vegetation for what i need.



If you look at the guy on here that said he did a 12/12 sativa he has a pretty nice plant.... I don't believe that 2 weeks of vegging is going to make a credible difference, but If you were to veg a Sativa for much longer I'm sure the results would be much greater. It's basic science. but with sativas, will that time be worth it?
 

tafbang

Well-Known Member
um, it's basic knowledge that Vegging will help plants build thicker and bigger to provide for superb flowering. How can you say that vegging is not beneficial.....

Rhetorical question, no need to answer it. but to make you feel less gay, I'd rather 12/12 from seed
 

intensive

Well-Known Member
a pure sativa will veg, no matter what light cycle you put it in.

a pure sativa won't flower until IT wants to flower, a sativa being mature before putting it into flowering is key to keep the flowering time down.
 
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