Point taken, Lorn.
My point is for everyone to broaden their focus: that taking into consideration other purpling scenarios might have an impact on understanding the problem at hand. For instance, the fast growth of newer sprouts might correlate with the faster than healthy sustainability of the the plant overall.
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Lorn, but I should have clarified what I meant by "purpling when first emerging and during varying early growth."
Yes, I do mean noses like these
lm
but also later early growth like this