Does 12 hours with no light irrevocably switch plants to flower?

I lost power for 18 hours a week ago. Did this flip my plants into flower? How many 12 hour+ periods of no light are needed to activate the flip?

Thanks

No it didn't.
You're good. Many of us have had similar experiences.
So long as you got them back on veg schedule quickly there's no need to worry.

That's nothing to be concerned about, from seed they won't go into flower until they're mature enough even with constant 12-12.

A older plant needs around 10/12 days of 12-12 to show signs of changes.

solittlethyme said:

I lost power for 18 hours a week ago. Did this flip my plants into flower? How many 12 hour+ periods of no light are needed to activate the flip?

Thanks

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no it won't cause the plant to flip, however it does stress the plants out, and may cause them to hermie/form nanners if it happens repeatedly