Cool
Yea June will be 15 hours daylight outside so if that’s your plan you can give them 15 hours inside again this is based on Akron Ohio being farther north in Michigan the numbers change!
Just be careful if you end up deciding to move them outside earlier so maybe give 14 hours and increase based on chart weekly?
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Will be doing the chart thing be fore long to get it worked out 
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Awesome thank you for the info!! I’ll do exactly that and just time the light cycle with what it is outside.
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You can have plenty of success starting photo plants inside. You just need to have a plan as to how and when you’re going to move them outside. Skydiver has good info in post above. You can also just not start them so early that plants are mature prior to moving outside. Or you can keep them inside until after summer solstice. I’m sure people that are accustomed to starting plants early indoors have a few tips and tricks, I’m just not one of them. I have definitely experienced the wrong side of this though.
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@John1776
This is what I was thinking. Only time light is an issue for me outdoors is if I am putting clones in the ground. Seeds get started April 15 and get planted outdoors June 1 or as close as possible. Plants aren’t mature enough to start to flower. I am in Upper MI so I plant later than Ohio can, Just keep an eye on the weather forecast.
They usually get 6-10 feet tall.
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Great info. I was always under the impression that a photo will only start flowering when receiving 12 hours darkness. I live in Minnesota which means for an outdoor grow, I gotta wait until the end of September for that and in Minnesota that doesn’t leave much time before freezing and frost.
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I’m in the Midwest but a little south of you. If it wasn’t frost and snow the fall rain would invite mold and rot. Best opportunity we have for outdoor grows is to go with autos.
The 18 hour and 12 hour typical indoor schedules are somewhat arbitrary. There was an old study that provided them as most ideal times to run indoor grows. In reality, you can veg cannabis on as much as 24 hours light and as little as 14-15 hours depending on variety you’re growing. And you can flower on anything 14-15 hours or less once plants have reached maturity. When you’re in that 13-15 hour window it can just take a really long time to transition and there are some strains more finicky than others based on their climate in indigenous region. Just like days for us start getting shorter on June 21st but we don’t typically see plants start flowering until sometime in August. The light time difference is very small for several days, so it takes the plants a long time to identify and react. But when shifting from 18 hours to 12 on an indoor grow you can usually see flowers within a couple weeks.
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Yes I agree that autos might be the way to go for the outdoors in this climate. Considering Minnesota had a nice snowfall on Halloween it may be the only way. Though getting a good frost in right before harvest isn’t a bad thing at all.
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