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Deep purple spots and curling deformed leaves

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Deep purple spots and curling deformed leaves

MarkinPA 32 Replies 7,299 Views
Page 1 of 2 · Replies 1–20 of 33
MarkinPA

MarkinPA

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#1
As the topic states, some of my plant leaves and stems have deep purple spots and are deformed. The strain is supposed to be on the shorter side as I've never grown this strain before but it seems really small . Only about 4ft tall at this point and hasn't grown much at all in the last month(outside grow). Any help would be appreciated. Also of note, this is the 1st time I've grown in this spot of my property which is full sun and an area where I grew mint tea last year...thanks in advance...
 
#5
mysticepipedon said:
…height, weight, favorite color, mother's maiden name, last 9 digits of your SS number...
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Might want to include your name, phone number and address too ...

Ok, in seriousness, a picture speaks for itself. Are you able to provide one for us? Grow medium, lighting and watering habits should also be stated too.
 
#7
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#8
#9
Looks like phosphorus deficiency to me. What nutes are you feeding and ph of water?
 
#10
MIGrampaUSA said:
This isn't one I've experienced before. The purple could be related to cold nights but I've never seen it look like that.

Let's call on the pros ... @Aqua Man @Frankster @Moe.Red One of our resident experts will come along and most likely will be able to help you through.
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Lowest temps are high 60s.
 
#12
MIGrampaUSA said:
This isn't one I've experienced before. The purple could be related to cold nights but I've never seen it look like that.

Let's call on the pros ... @Aqua Man @Frankster @Moe.Red One of our resident experts will come along and most likely will be able to help you through.
Click to expand...
Lowest temps are high 60s.
josefrahl said:
Here's a thread with what I believe is the same problem https://www.thcfarmer.com/threads/dark-purple-disease-affecting-new-growth.98203/?amp=1
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Yep, same issue. Didn't get any absolutes. One person adamant it was lack of phosphorus another said cal/mag.
 
#13
HighRootz said:
Looks like phosphorus deficiency to me. What nutes are you feeding and ph of water?
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Don't normally use nutes. I normally plant at the edge of a wooded area in the ground . This plant is 1st one that I have NOT planted in that location. In a raised part of my vegetable garden...mint tea was planted there last year...
 
#14
MarkinPA said:
Yep, same issue. Didn't get any absolutes. One person adamant it was lack of phosphorus another said cal/mag.
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Yeah, I didn't read through the 18 pages. Figured it'd be easier for you to go through than having me keep coming back with more questions than checking it again and again.
 
#15
MarkinPA said:
Lowest temps are high 60s.

Yep, same issue. Didn't get any absolutes. One person adamant it was lack of phosphorus another said cal/mag.
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I don't think your temps are the problem. Granted there's a lot of variables but mid and upper 50's for lows this week didn't seem to phase my girls.

I'm interested in what the outcome is on this one.
 
#16
MarkinPA said:
Don't normally use nutes. I normally plant at the edge of a wooded area in the ground . This plant is 1st one that I have NOT planted in that location. In a raised part of my vegetable garden...mint tea was planted there last year...
Click to expand...
Ph of your water? The raised bed could be depleted of phosphorus if previously used. How much of the total plant is affected? Older or newer growth?
 
#18
MIGrampaUSA said:
@HighRootz it appears to be in new growth.
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Could be excess iron that's causing phosphorus lockout in the new growth. If none of the older leaves are affected then chances are new growth will show some sort of lockout, from my observation
 
#19
HighRootz said:
Ph of your water? The raised bed could be depleted of phosphorus if previously used. How much of the total plant is affected? Older or newer growth?
Click to expand...
Not sure of Ph but the other plants are fine. Well water...about a third of the plant and mostly newer growth. It just started flowering. Would it survive if I moved it to my other location?
 
#20
HighRootz said:
Could be excess iron that's causing phosphorus lockout in the new growth. If none of the older leaves are affected then chances are new growth will show some sort of lockout, from my observation
Click to expand...
Should I just try hitting it with phosphorus at every watering??
 
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