I have a strain that has that trait thru genetics. Yours don't look stressed, so it's prolly genetic also.Critical Lights grow.
This is one of two plants and the other looks complete normal.
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Looks good!Here's a full view
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I kinda figured this would be a weird bud structure since I was reading Critical strains are either perfect fat buds or these weird foxtail. I have one of each.One of the pheno's from some Primal Punch regs I have fox-tails like a mofo, but it grows absolute fire nugs.
Definitely not a huge yielder, but it grows excellent meds.