Still a ways to go for this lass but she's lookin nice and frosty. Wish I'd had more opportunity (and inclination) to train as she's quite leafy and the lower bud sites are getting crowded out a bit. She'll have the tent to herself for a while as her sister doesn't have long to go.
So our upper leaves have been developing some burn along their edges but are now yellowing too. I've increased the gap from light-plant to 75cm but is there more to it? Unlikely a deficiency as she's fed 1/4-1/2 recom. nutes every water. Root ph is ok so maybe nute lockout? Chur.
Things I notice here that may or may not answer your question:
1. Grapefruit has a 60 to 70 day flowering time. You're inside of.. week 8? Which puts you somewhere close to (or in) the window. I've grown 8 Ball Kush which is rated at around the same flowering time, and it was ready in the 6th week. Because of this, the buds didn't get super fat but the quality was still amazing!
2. She LOOKS like she's close to done flowering. All the nutrients are being sucked out of your lower leaves, and possibly now uppers too. This likely means she's ending her life cycle and using up available nutrients within instead of pulling them from the soil.
3. As per #2 above, it looks like you're developing some heavy nitrogen burn? If she's at the end of her life cycle, you can feed all the nutes you want and you're just going to overload her because you're adding on top of what she's using from within. It may be time to flush for a few days. Unfortunately I think you've missed your chance to do a proper flush in soil medium (1.5 to 2 weeks!). However, it just seems to make the bud a little harsher, there's no quality effects that I can notice when that happens.
Look really hard at 60x magnification to see if you can find ANY amber trichomes. Even if you just find a small handful, I'd personally go ahead and harvest. If no ambers but more than 50% of your trichomes are milky, I'd personally go ahead and harvest as well (this will give you a slightly more heady, energetic buzz). If you didn't get to flush, make sure you cure the buds for at least a week before you smoke them or it'll be super harsh. Collect kief off your trim, you should get more than enough to smoke for at least a week while you get a minimal cure! There's a demonstration of how to collect kief and quickly press it into a block on my "Gen 2" diary's harvest. From there you can smoke or dry-vape it as is (it'll burn kinda similar to resin, this is what I do with it), put it in joints (also what I do with it), press it into rosin (wish I had a press), turn it into a tincture for edibles (see GreenMachine's "Bucket of Cookies" diary for how to do this!), etc.
Hopefully some or all of this information is helpful.
@Luban, Hey there! It's not generally recommended to top autos, as they don't have the same time to recover from stress as their photoperiodic sisters do, so it can potentially stunt them. However, if you feel confident with your experience growing autos, and the plant is healthy, it can be done. Generally growers choose to top the 3rd or 4th node with autos.
NurseGreen23
Runtz Automatic
Critical Orange Punch
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