Major Purple Leaves - what the hell is wrong with her now?

One of my girls who has been having problems (check out my gd and other threads) has now basically turned purple.. I'll let the pictures do the talking.

She is supposed to be 1 week away from harvest..

Anyone have any ideas wtf is going wrong?

im pretty sure its from chemical changes in the plant when its making its last burst of Thc's its not uncommon though if you look around you'll see a lot of peoples plants right now look similar

what are your night time temps getting down to ?

your plants are mining the last of the phosphorous from the leaves. I assume you are on flush?
It's totally fine and normal

i think the purps is good bro, every single person here wishes that happened to them... nice bag appeal

mine turn out 1 color lime green every time booo and look lame

could be alot of things, obviously some sort of nutrient imbalance and/or PH level is off , have you been flushing the plant at all, kinda looks like it could also be toxic salt build up

ya i wouldnt worry about it though if youre only one week away from harvest

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purple in leaves is cause by the lac of production of chlorophyll, which stops at temps below 10c and when phosphorus is in short supply. also by genetics. if you are flushing, you should be getting stoked, looks like a dank harvest

judging by the way the leaves are curving down I don't think you flushed and you might have overdone it on the chems, OR the exact opposite and you began flushing a few weeks too soon... You know what you did, so you can decide from the answers. It looks like over-fert/fert imbalance to me, stems, leaves, the curling, the drying out and browning/crisping, they are all over-fert signs.

I flushed not too long ago due to the very light/yellow leaves. The pH was way off, i flushed with about 25 litres and managed to get it to 6.4.

It doesn't seem to be maturing which is what is worrying me. I gave a low dose of nutes today, as i read purple leaves can be caused by a nute deficency.

Nigh temps (which are during the day due to the light cycle) are not that cold, i'd say about 70f.

it was because of the flush, you got rid of all the phosphorus. i wouldn't feed it anymore, and let it use up all it's stored food until harvest.
for flushes its always good to flush with a very mild nute solution... .8 EC or so.

Flush before harvest and you will be happy. Without a flush you will have a hard time cashing bowls or burning joints as the bud burns to black and not grey, but it will add some weight to your bags. Your buds will taste harsher, not bad, but just a tad harsher. I would flush based on the looks of things, but I don't think it is detrimental to just leave things as-is and enjoy your purps.

Your plants are dying.

Annuals are like that, yeah they are.

Congrats and good job getting to the end.

They are just doing there thing. No you did not over fert or anything you may have flushed a little early. The max i flush is 10-14 days before harvest. They look good though. Also are you going by the expected harvest date that the seed descrip gave you. If you are don't, you have to go by the look of your buds. Take a few closer pics. I remember one plant i grew said harvest in 8 weeks and it took 10-11 before it was perfect and ready.

Bonzi Lighthouse said:

Your plants are dying.

Annuals are like that, yeah they are.

Congrats and good job getting to the end.

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This is a good thing?

Some plants turn yellow towards the end, mine didn't however.

They did have purple buds but no purple leaves.

vertise said:

They did have purple buds but no purple leaves.

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what kind of strain was it?, thats a true purple strain

Its funny cause for me i kinda forgot to mention it was temps that did it. It was my very first grow and My snow white had purple buds. Night temps dipped down low for me, around 50-55 for about 4 weeks during the end of my flowering.