Why is it necessary to put 3 inch seedlings under 18/6 ?

This.

The ones I put outside I matched my timer to the hours of light at the time I put them out. About 13 hours light.
this is exactly what you do. it 100% will keep your seedling from going into flower when you put it outside. i do everything indoors for security but growing up my parents grew outdoors and started there seeds inside. even in my indoor setup the first 7-10 days i only run 12/12 but for a different reason. i germinate under my 315 cmh. lil bit stronger than the spring time sun lol
 
this is exactly what you do. it 100% will keep your seedling from going into flower when you put it outside. i do everything indoors for security but growing up my parents grew outdoors and started there seeds inside. even in my indoor setup the first 7-10 days i only run 12/12 but for a different reason. i germinate under my 315 cmh. lil bit stronger than the spring time sun lol
I have run them 18/6 and then put out early spring. Most will flower. Some reveg and some don't.
 
Well im putting these outside! Its sunny all day newbee first grow i planted these 4 blue dreams last friday from seed. Got problem with the one drooping today not sure what happened.
 

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there's a certain spectrum emitted towards the end of the day that triggers the 'dark cycle' an hour or two before its actually dark outside, which is one reason a plant may start flowering even if theres 14 hours of light.
 
I cut about a 10" piece of clothes hangar wire and use that for a stake. Then I take a wire bread tie and use it to secure the stalk to the stake. Always worked for me.
 
Well im putting these outside! Its sunny all day newbee first grow i planted these 4 blue dreams last friday from seed. Got problem with the one drooping today not sure what happened.
Possible it doesn't like the sun. Seeds sprouted in the sun will be hardened off to them. Seedlings under I door lighting will need to be hardened off over a few days.
 
Can anyone help.... i had put sprouts in nee soil 70soil 30 perlite one baby been drooping i thought over water but new dry soil with only little water. Other 3 seem better. First grow dont want to screw it up. I have 4 23 cfls right now cause there small... any help for a fellow newbee... thanks
 

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