Yellowing leaves mid-flower, sulphur lockout or just normal progression?
sir_rootstarted grow question 1mo ago
Noticed a few of the smaller lower leaves on a couple of the plants are doing this. It is still very few, so I am not quite panicking yet. I am going to recheck the pH on my res. No nutes, hot soil. Could this just be the natural progression of the plant as it builds buds?
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cangrowzanswered grow question 1mo ago
Hey sir_root!
At week 11, seeing some yellowing on the lower leaves is usually just the natural "fade" as the plant pulls mobile nutrients like Nitrogen toward the buds. Since you’re running hot soil with no added nutes, she’s likely just reaching the end of the soil's fuel supply. Sulfur issues usually start at the top on new growth, so if it's just a few bottom leaves, it's definitely not a lockout. Just keep an eye on your pH as you planned, but it sounds like she’s just ripening up perfectly.
Happy Growing, Growmie!
The_7_Clubanswered grow question 1mo ago
Nitrogen is a mobile nutrient. Your plant is taking it out of the lower less productive leaves to give it to the new growth on top. Leaves store nutrients and water, the plant will reallocate that as needed. If you are in vegetative stage adding a quick nitrogen rich nutrient that is available for immediate uptake (mineral) will help, or feed directly with foliar spray. For long term, add a tablespoon of used coffee grounds to soil as a top dressing and massage it into the top layer and water it in for slow release nitrogen.
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