Bud rot? Black buds?

I planted 7 feminized sour D seeds this season, kept 5 plants for my self. Give one to my Brother in law, and one to my mother in law.

My 5 plants and the one my BIL has all looks great and healthy, buds are coming in nice 10 days into flower. My MILs plant on the other hand the buds are growing in black, none of the fan leafs are discolored other then the odd yellow leaf near the bottom, but bud site leaves are black where they are touching buds

Any idea what she may have done to cause this. As far as I know she has only been adding blood and bone meal once a week or so. She has to other plants both were given to her as clones. They all have darkening around the bud sites but the sour D is the worst of the bunch. Is it bud rot? This early? It's every bud site, not just a few

My plants are the first few pics and hers are the second set

I'm pretty sure the leaves are changing color. It will keep progressing and its natural. It will probably end up being very pretty.

macsnax said:

I'm pretty sure the leaves are changing color. It will keep progressing and its natural. It will probably end up being very pretty.

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But why is her one plant that the same genetics as mine turning color? Could her clones some how of effected it? Or is it just what she's been feeding it?

Cypher11 said:

But why is her one plant that the same genetics as mine turning color? Could her clones some how of effected it? Or is it just what she's been feeding it?

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a hundred things can cause color change, be jealous, consumers love colors

I would gift her a grow bible before something goes awry with a misdiagnosis.