Auto Seeds Help 1- 2 flowering, 7 not...

First time using auto flowering seeds. its kinda weird because two of the 9 are flowering. the ones that haven't started flowering are continuing to grow tall. I have 2 different strains, 2 of the 3 for strain A are flowering. no of strain B are flowering. I clearly bought auto seeds from a vendor, I'm wondering if this mis marked the packaged or packed the wrong seeds. Maybe this is normal.. feedback is much appreciated.

I'm using foxfarm Ocean forest, it has been a bit cold at night. daytime highs are in the mid to low 70"s. I did read that cold temps can slow the process down?? I'm running lights for 18/6.. what if i switched them to 12/12 or would that stress them.

Thanks for the info and feedback in advance.

any feed back from auto growers????

i would switch to 12/12. that's what i did. but i still don't understand the reason to go autoflower.

20/4 light cycle for me no issues for me so far. maybe the second strain takes a little longer till it flowers

edit: i set my lights go out midday so at night when temps are low my lights are on to keep temps up but ive read you can go 24/0 with auto's till the end with no ill effect.