@Backyard_Boogie, Thank you for your reply. I'll look into the light sources. I have grown in the same spot for 15 years and never seen this before. I grew my first grow in 1969 and have never seen this happen before. I'm up in Elk Grove and the Summer heat was brutal this year, plus we had over a month of smoke from the wildland fires. I grew two different strains, Purple Punch and Gelato. Both did the North flowering