Been there done that... I was growing indoors in summer without A/C and temps hit Triple digits... I fed miracle grow too to make things worse... My large plant had all kinds of nutrient burn lol but I wised up flushed and kept at it... Even with the terrible temps come time to flip I had pretty healthy plants I was proud of myself as those were my first plants and I wasn't very forum active at that time. Hence the miracle grow lol...
this was a couple weeks before flip. I don't have all the plants pictures just the biggest and smallest.
My big plant was over three months old and it was huge I mean huge I wish I had the patience to veg another plant to that size lol. That's before any 12/12 stretch or anything it was to large for the area to be honest lol. Then the three smaller ones on the side were all six weeks old at flip... Unfortunately every single one was male... Also had bought an LED light for flower too so I was just irate lol. Only reason I tried again was because I bought that stupid LED... So the next day I ordered some fem beans and unfortunately they didn't germinate but the freebie did and Ive been cloning it for quiet some time now and just finished my last grow with her and in finishing an apple Jack and bagseed before I grow some new ones.
I'm glad I bought that LED or I never would have tried again lol home grown smoke is the best and now I have me a tent 500W of led proper ventilation and everything else along with good quality soil.