I am new to this, and have 7 huge 14 week old gorilla skittles growing outdoors in a greenhouse, which arent showing any signs of flowering yet.
Over the past few days , they have had another growth spurt & are noticeably more potent …should they go soon ??
Currently 38inchs tall, healthy looking, growing in coco , 18/6 natural light , good air flow & humidity ,nutients & water as needed , , with no sign of disease or other issues
Welcome to the community! Are they photo period or auto? Maybe switch light to 12/12 either way and see if they start to flower in few days. If that is possible? That is one way to tell and get things going. Autos won’t care about the light at 12/12. It it could trigger the flowering stage. I’m sure other here can give more info! Happy Growing. 
They’re outside in a greenhouse ? Sounds like you have photos instead of autos. They should start flowering on there own around the beginning to middle of July. If they are autos its anyone’s guess what theyll do
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@Toddr111 they are definitely auto, two others im growing (ww x big bud) are well into flowering stage but stayed alot smaller, and also outdoors in my second greenhouse.
The only way i could change the light cycle as they are currently outdoors, would be to move them indoors in a tent with my Led spider farmer light running or try to shade the inside of the greenhouse early evening so it doesnt draw attention to my nosey neighbours 
I’d just leave them and see what happens in July. It could be genetic or they mixed up seeds.
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Yeah, that’s a tough one. You could leave them go through July and see what happens. IF for sure they are Autos and not a seed mix up 18/6 should have been plenty to get them to flower. Only way to know I think would be 12/12 light switch. Is it worth the effort at this point though. Let us know how it goes!
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Flipp them to 12/12
I thought I had autos too,I flipped them after 8wks. Now I have one 7’ tall bruce banner 
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Thankyou all for responding.
Just been out and took some more photos as they have suddenly got even taller over the last couple of days, and maybe wrong…but looks like it maybe a pre flower growth spurt
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If you let them veg into July you should end up with monsters.
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really pleased for my first attempt
They look tiny for 14 weeks old.
Give it time. They look good.
I’ve seen one plant that grew to the size of an apple tree before it flowered. It was crazy
The ones in flower now are very small, but have some nice buds and loads of terps all over …they stink like hell , after ive been near them everything smells like it as it gets up my nose.
Anxious now about these other ones , as to how big they are going to get , but will roll with it as they seem happy 
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