Hello I have an autoflower on the 9 that does not ...

Hey there! It sounds like you’ve run into a bit of a stubborn plant. If you’re already in week 6 and there is no sign of flowering or even pre-flowers (sexing), there is a very high probability that you have a "photo-reg" or "photo-period" seed that was mislabeled as an autoflower. This happens occasionally even with top breeders. Since your other plants are already blooming under the 20/4 light cycle, this specific plant likely needs a 12/12 light schedule to trigger its hormones into the flowering phase. You have two main options here: you can keep it on 20/4 and wait one more week just in case it's a very slow "super auto," but if nothing happens, you'll need to move it to a separate tent with a 12/12 cycle or switch the whole tent to 12/12. Switching the whole tent won't hurt your other autos they will still flower fine, though their yield might be slightly lower due to less daily light energy. If you leave it as is and it truly is a photoperiod, it will just keep growing like a massive bush without ever producing buds. Happy Growing Growmie🌱

It sorta sounds like you have a plant where the ruderalis gene is either weak or inactive, causing it to behave like a photoperiod plant, or maybe a mislabeled photoperiod seed. Try looking for any signs of male parts, giving it more time, or maybe switching to your flower nutes. Also could be a result of extreme stress. Good luck!

Some plants just take longer 🤷 sometimes stuff gets mislabeled/sorted could be a photo. So u could switch to 12/12 but you'll have to up the intensity. What do you mean by declared? If it don't say autoflower then my monies on it being a photo, if it says autoflower may just be taking much longer than the others or it's mislabeled photo.