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What is going on with this plant?!?

  • Thread starter Thread starter HazeLover
  • Start date Start date Jul 30, 2025
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What is going on with this plant?!?

HazeLover Jul 30, 2025 15 Replies 707 Views
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HazeLover

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#1
Can any experienced growers tell me what I am dealing with? I can't tell if its nutrient lockout or overwatering. Durban Poison Auto. Week 9, roughly 2 weeks left in flower. FF Ocean Forest. Very little Grow Big used during veg. Compost teas during flower. Rapid yellowing and leaves dying from the bottom up. Growth has also seemed to slow. Plant was perfectly healthy until the first week of flower.
 
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THCosmic

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#2
It is normal for the older fan leaves to turn yellow and drop off this late into flower. The rest of the plant looks healthy and thriving. At this stage the plant is using all the energy stored in those leaves to focus on bud production. If you are worried, you could do a flush to remove any built up excess nutrients. Then go back to your regular feeding schedule.
 
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HazeLover

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#3
THCosmic said:
It is normal for the older fan leaves to turn yellow and drop off this late into flower. The rest of the plant looks healthy and thriving. At this stage the plant is using all the energy stored in those leaves to focus on bud production. If you are worried, you could do a flush to remove any built up excess nutrients. Then go back to your regular feeding schedule.
Click to expand...
Thank you. I guess my concern is that it's pretty rapid so it worries me what another 14 days will look like. They lighten and within 3-4 days are hanging limp. I guess there isn't much else to do at this point other than let it ride. I can't imagine having a salt buildup with the minimal amount of veg nutrients used. I kept feedings very light being an auto. It was mostly fed natures Living soil compost tea
 
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HazeLover

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#4
JIMKSI64 said:
I am going to disagree with the normal look to that plant. Not sure of your nutes but the baby looks to need nitrogen. This grow is still going to need nitrogen at normal amounts until deep in flower. If you look at nutrition needs for pot up until the end it is at peak and only for the final 3 or so weeks with pistles retracting does p and k take over as the most needed nutrition.
Now I have also seen severe wet feet cause this exact look in a diary. It progressed very quick and killed the plant. A leaking syphoned on an auto water was the culprit but if this is outside it could have gotten drowned.
Click to expand...
I keep a close eye on the weather and put the plants under an overhang when it rains. They have gotten some light rain on them a few times but not much. I've been leaning towards overwatering. maybe my fault. Temperatures where I am have been around the 90s. There have been days where the soil dries out in less than 24 hours and the pot feels super light. I seem to always run into these issues during flower
 
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HazeLover

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#5
JIMKSI64 said:
I am going to disagree with the normal look to that plant. Not sure of your nutes but the baby looks to need nitrogen. This grow is still going to need nitrogen at normal amounts until deep in flower. If you look at nutrition needs for pot up until the end it is at peak and only for the final 3 or so weeks with pistles retracting does p and k take over as the most needed nutrition.
Now I have also seen severe wet feet cause this exact look in a diary. It progressed very quick and killed the plant. A leaking syphoned on an auto water was the culprit but if this is outside it could have gotten drowned.
Click to expand...
 

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THCosmic

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#6
JIMKSI64 said:
I am going to disagree with the normal look to that plant. Not sure of your nutes but the baby looks to need nitrogen. This grow is still going to need nitrogen at normal amounts until deep in flower. If you look at nutrition needs for pot up until the end it is at peak and only for the final 3 or so weeks with pistles retracting does p and k take over as the most needed nutrition.
Now I have also seen severe wet feet cause this exact look in a diary. It progressed very quick and killed the plant. A leaking syphoned on an auto water was the culprit but if this is outside it could have gotten drowned.
Click to expand...
If it truly only has 2 weeks left until harvest then this should be normal behavior and adding nitrogen can be counterproductive. If it has more to go then a bit more nitrogen wouldn't hurt. Honestly it looks to have more than 2 weeks left, but I don't work with autos so I will trust OP's opinion on that.
 
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HazeLover

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THCosmic said:
If it truly only has 2 weeks left until harvest then this should be normal behavior and adding nitrogen can be counterproductive. If it has more to go then a bit more nitrogen wouldn't hurt. Honestly it looks to have more than 2 weeks left, but I don't work with autos so I will trust OP's opinion on that.
Click to expand...
Im going based off the breeder specs. These sprouted May 30th. Supposed to be 10-11 weeks. I don't disagree though that they may need longer. I have 2 others that seemed to flower earlier than this one did
 
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JIMKSI64

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#8
Sorry OP I re read for content
If this is the only fade you got starting at week 1 flower and now that close you did great. I did not zoom pic on phone and thought you had just flipped.
Looking at the plants I do not think you are that close but it is looking great. Watch the watering and hold the line until you get stacks with retracted pistles and perhaps squishy balls of resin will make an appearance.
 
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JIMKSI64

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#9
Might wanna make one more suggestion. Your plant is long and lanky and putting on weight. Suggest a support for the main stem and even some of the long sides look to be very thin. Hate to see a stiff wind ruin the day.
 
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THCosmic

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Looking closer at all the yellowing leaves (video helped ), I'd say you can rule out nutrient lock. The plant would show signs of other deficiencies too if that were the case. It is very hard to lockout only nitrogen.
 
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LoveGrowingIt

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#11
HazeLover said:
Can any experienced growers tell me what I am dealing with? I can't tell if its nutrient lockout or overwatering. Durban Poison Auto. Week 9, roughly 2 weeks left in flower. FF Ocean Forest. Very little Grow Big used during veg. Compost teas during flower. Rapid yellowing and leaves dying from the bottom up. Growth has also seemed to slow. Plant was perfectly healthy until the first week of flower.
Click to expand...
The chlorosis and eventual necrosis of lower leaves is normal in that the plant has begun prioritizing reproduction (aka flowering). For that purpose, it moves mobile nutrients and moisture from lower leaves to the flowers. It's possible to avoid or delay that with proper nutrients and watering. The difference between the vegetation and reproduction stages of the plant's life cycle is quite amazing and often surprising for the new grower. It was for me, as I recall. Between those stages is what's known as the stretch when the plants add considerable height. I think of the stretch as the last throes of the vegetation stage. It is my practice to feed the plant both vegetation and blooming nutrients as the plant enters this growth stage.
 
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HazeLover

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#12
THCosmic said:
Looking closer at all the yellowing leaves (video helped ), I'd say you can rule out nutrient lock. The plant would show signs of other deficiencies too if that were the case. It is very hard to lockout only nitrogen.
Click to expand...
Thank you
 
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willyum

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#13
Did it start after compost tea? They're very very dangerous.
 
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HazeLover

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#14
willyum said:
Did it start after compost tea? They're very very dangerous.
Click to expand...
No, I didn't change anything throughout. Mostly fed compost teas from the start with a couple of VERY low dose grow big feedings during veg
 
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willyum

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#15
word! i know they can go very wonky very easily and do some serious destruction
 
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HazeLover

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#16
willyum said:
word! i know they can go very wonky very easily and do some serious destruction
Click to expand...
I agree. I definitely kept all feedings on the lower dose size being an auto. Everything i read said they don't need much. I've had some succesful grows with photos but first time with an auto
 
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