Like mine three different strains one is from g13 labs Blueberry gum another cheese never grown to common and one chronic freebies and 1 flowered a dam sight quick than the other two and I had a rogue one little git male heartbreaking had to get rid,are you using auto flowering breeds!I do some low latitude sativas which take 14/10 just like 24/0 as far as making buds. I have seen a couple weeks difference in flower time in sisters.