8 year marijuana lover, 1st time planter

Hey growers, hope everyone is doing good!

About 10 days ago I germinated my first marijuana seeds ever, totally new to the growing experience, they were a sweet gift from my fiance!

X2 amnesia haze, X2 super lemon haze both autoflowering!! ( we are sativa lovers )

I'm growing them outdoor, and in Holland that's a little bit tricky at this time of year, But we've been blessed with sunny weeks so far and I figured we'd give them a shot hopefully they grow big enough to become stronger and handle harsher conditions.

I keep them inside at night for now, and outside during the day to catch every bit of sun that they can and have been keeping their soil as moist as possible.

I've put support for all of them cause I'm noticing that they sometimes tend to lean towards one side, any idea what that could be from? But both ways thought why not give them some extra stability at this stage.

Any idea when would be a good time to transplant them into bigger pots? I've got 12L ones waiting, But really not sure bout when to move them, a little bit worried about that.

Trying to keep this as natural as possible, so all I'm using is good clean soil, rain/tap water, and sunlight.

One of the four seems to be developing at a slower pace than the others, you can see it has a shorter stem and smaller leaves, not sure why that is?

So far they seem to be doing great, hope these babies keep pushing through!

Any thoughts or ideas or information to share would be great as this is my very first time.

Have a great weekend fam, thanks!

Hey there welcome to the site and growing, you'll love it.
I think you'll find with your climate and the shortening days you'll get very short stout budding plants that flower really quickly.
These plants have adapted to cold climates and short days through natural selection as they learned to survive the conditions of China and Russia. I guess the only worry would be that the crossbreeding with indica and sativa strains may male them less durable to autumn winter conditions. My theory is that it will flower extremely quickly and not give you much useable smoke (better than nothing). But have fun, I love growing and it's a addictive hobby. You'll gain some valuable experience and it'll help you gain valuable knowledge for next season, might I suggest you purchase some high quality indica sativa or hybrids you'll get much better bigger results in the growing season and a nice yield.
Regards