First time grow (blue dream autos) looking for advice

that is one of my Favorites, they take longer than most autos and seem slower but come out amazing.

5 days since my last post and they look great! Can’t wait till they flower! :heart_eyes::heart_eyes:

Have a stupid question, I just planted another seed and when it comes up I want to use the plastic bottle trick as a way to keep the humidity up when it’s a seedling.

Do I bury the opening in the dirt or just place it on top around the little one?