First Grow

Week 1 of flower!!! im excited and nervous at the same time. I was going to Veg for another week but there were a couple factors that made me want to flip. Last week I did a final transplant into my 7gal pots, 2 days later I start to see pistils. I am a new grower and was like oh crap did I just force her into flowering and gonna herm them since im still on 18-6 light schedule??? I am in a couple discords that are growing communities so i posted some pics and confirmed they are in fact pistils. This is my first grow and not only was I excited to start flowering but also scared im going to ruin them if I dont flip so I did. From more research this is called pre flower and I could have stayed in veg from what I have found but flipped anyways and please correct me if im wrong as Im still learning. The pics you see are day 3 wk1 of flower, I flipped the lights to 12-12 on night 2-29. The girls are already starting to stretch. IM really hoping that my little sour diesel dwarf stretches to meet the Purp and northern lights canopy or else I am going to need to find something to prop her up to meet them. As you can see in the pics I added my trellis netting. My plan was to hopefully get these girls to stretch enough and start filling in the squares. My goal is to fill every square with a flower site. It might be a bit ambitious but still gonna try. This is 2 fold, 1 allow spacing to open up the inner canopy and allow light into the depths of these girls to encourage those lower sites to reach the top. 2 support for the flowers as they mature. Yea they looking alittle bushy and I know I should defoliate but my thought was to wait until the stretch is done then do my full lollipop and remove alot of those fan leaves blocking bud sites and also get better air flow in there. My plan for nutrients is to top dress with my gaia green 4-4-4. power bloom 2-8-4 and worm castings every 2-3 weeks depending on how they take to it. I just hope this is enough. So here's to week 1 of flower!!! any tips, advise or suggestions are welcome and thank you for looking!