HELP!! Dark Purple/Brown Coloring on Jack Herer Autoflower??

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DrGreenthumb91

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Hey friends,

I harvested my first Jack Herer autoflower plant (grown outdoors for 12-13 weeks) and hung to dry for 2 weeks indoors -- temp stayed around 67-70 and humidity around 65-70% ish assuming the hygrometer is accurate. I tried to keep constant airflow but don’t have a fancy set up right now or a dehumidifier so couldn’t get much lower than 68-70% (will be using humidity packs for curing). The stems were crackling/snapping when I bent them to check for dryness.

I went to dry trim them yesterday and noticed that some of the undersides of the stems/leaves had turned a dark purple/brown color. This seemed odd to me as I have never known Jack Herer to have purple coloring and this didn’t look like anything I’ve seen before.

I got extremely nervous but didn't find any white/grey/fuzzy mold or anything that looks like the images I've seen of bud rot from my research. There is no bad or musty smell either -- it smells amazing!!

Is there a normal reason why the color would darken in some spots like this or should I be concerned it is mold or fungus? I looked under a 30x magifying glass and didn't see any fuzzy mold. I also tried looking under a 60x jewelers loupe and from what I could see the trichomes looked normal up close. I tried breaking some areas open and didn't notice any obvious bud rot/mush/spores but I know it isn't always easy to detect. It seem like it is primarily on the bottom of the stems and undersides of the sugar leaves, but also noticed the bottom portion of a lot of the trimmed buds are darker than the tops.

This is my first cannabis grow and I don't know if I'm being overly paranoid but wondering if anyone has seen anything like this before? I’ve attached a few photos (tried to capture it the best I could). The first one shows dark coloring on the stems/undersides of leaves (not fully trimmed) and the second one shows the darker parts at the bottom of a trimmed bud. I also included a photo of the trimmings which is where I saw of lot of discoloration on the leaves.

Any help or insight would be greatly appreciated, thanks so much!!!!!!
 
Jack Herer Auto
Jack Herer Auto 2
Jack Herer Auto 3
PK1

PK1

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i would say enjoy it. I don't see anything bad. @Aqua Man can probebly explain better than me on why's. lol!
 
Aqua Man

Aqua Man

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If its grey though then you wanna remove it.
 
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DrGreenthumb91

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If its grey though then you wanna remove it.
Thank you for the replies!!!! It's definitely not grey at all -- it's dark purple almost black in some areas or dark brown/purpleish. But definitely not fuzzy or what I would think mold would look like. I just have never seen Jack Herer with purple buds before? Also, is it typical for color expressions to change/show up/become more pronounced after harvesting/during drying? Might have been some purple/darkening of some areas when I harvested but didn't really notice until I went to trim. You can see in the middle pic it is primarily showing up in the bottom portion of the buds.
 
Aqua Man

Aqua Man

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Thank you for the replies!!!! It's definitely not grey at all -- it's dark purple almost black in some areas or dark brown/purpleish. But definitely not fuzzy or what I would think mold would look like. I just have never seen Jack Herer with purple buds before? Also, is it typical for color expressions to change/show up/become more pronounced after harvesting/during drying? Might have been some purple/darkening of some areas when I harvested but didn't really notice until I went to trim. You can see in the middle pic it is primarily showing up in the bottom portion of the buds.
It can especially in cooler temps
 
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DrGreenthumb91

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Below 70f
Thank you! In that case yes, temps get down to mid 50s at night. Glad it doesn't sound like anything I have to worry about -- starting curing process now. Do you think 2-3 weeks is generally sufficient?
 
Aqua Man

Aqua Man

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Thank you! In that case yes, temps get down to mid 50s at night. Glad it doesn't sound like anything I have to worry about -- starting curing process now. Do you think 2-3 weeks is generally sufficient?
3-4 gives you a very nice product in a short time a couple months is better but there is not nearly as much difference as you see from no cure to 3-4 weeks.
 
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DrGreenthumb91

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3-4 gives you a very nice product in a short time a couple months is better but there is not nearly as much difference as you see from no cure to 3-4 weeks.
Awesome thanks! Do you have any opinion on the Boveda 62% humidor packets? I have some and was planning to use in the jars I'm curing in. I know a lot of people recommend them but also recently saw some feedback that they can affect taste/smell? Not sure if that's true though.
 
Aqua Man

Aqua Man

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Awesome thanks! Do you have any opinion on the Boveda 62% humidor packets? I have some and was planning to use in the jars I'm curing in.
I haven’t used em but i will be using grove bags after this grow. Just give a good proper dry and into the bags… cheap and heard very very good things from reliable ppl about them
 

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