cannabis growing

Hello everybody. I currently have 19 different plants. 11 are at their Week 6 (40-days old), but I started using Nutrients since Week 4. 8 are at their Week 7, (49-days old), also started with Nutrients here since Week 4. What I've done / what I've used: -On Week 4, I used Great White Powder...

Below are pics of my 2.5 wk old blueberry autos. Following fox farm trio feeding schedule with cal mag. Water ph adjusted to 6.0-6.2. 5 gal grow bags with 70/30 coco perlite mix. Roughly 12 hours of direct sunlight. Some of these seem to have started flowering was wondering if you can verify...