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Plant problem. Need help

New Grower Questions & Plant Problems

Plant problem. Need help

Vpark

New Member
11
3
Hi guys can anyone identify the problem.
Underside of the leaves and young stems turning purple . After the older leaves turn yellow with brown spots and eventually dry up and die. See picture
7903
 

Sunshine

Organic Fanatic
2,978
113
Welcome to FC @Vpark :)
This could be a few things so answering a few questions will help us narrow things down for you.
What have you been feeding the plant and how often?
How much do you water and how regularly?
What are your max and min temperatures?
Can you tell some more about your setup? lights used, size of box etc
The blotches you see are deficiencies, these could be caused by ph problems, overwatering or cold temps or a combination of these factors.
In all likelihood it's a result of overwatering but let us know the answers to the above and we'll help you get her back on track! 🌿
 

Vpark

New Member
11
3
So I'm growing in 4x8 tent
Using Remo nutrients
Hlg 550 r-spec led
I have over watered the plant in its first week of veg.
Now watering once every 3-4 days
With 3/4 of the recommended dose .
just enough to let a little run out the bottom.
Using pro mix for a medium
Water ph 5.5-6
The plant is black dog from humbold seeds.
Temp is 80 degrees
My humidity flactuates between 35-50
Hard to keep stable
Ps. I'm flushing the plant now with just water ph 5.7

Thanks
 

Sunshine

Organic Fanatic
2,978
113
Give her extra time between waterings to allow the roots to breathe, also cut to about 1/2 strength nutes until she's back to full health! Report back with the runoff figures and let's go from there 🌿
Good luck and keep us posted Vpark :)
 

Sunshine

Organic Fanatic
2,978
113
Your ph is out of range which is causing lock out.
It's important to understand the ph of your medium by measuring the runoff ph and adjusting your inputs to compensate for the difference.
 

Alphatoy

Well-Known Member
323
93
🤠 Hi Vpark your plant to me looks big enough to place it to a larger pot it could be a bit root bound I don't know what larger size you will be going to, I myself use a 7 gal pot and water every 5 to 7 days 1 gal plus I water until it runs out it is a lot easier to control your watering in a larger pot I also use a moisture meter and keep it around a 5 to 6 moisture on the scale I try to keep my ph around 6 to 6.5 as Sunshine said ph is the goal to a good growth and Sunshine is the Wizard 🧙‍♂️ also when you use a saucer for drainage it is easier to get a runoff ph reading as sunshine says keep in touch we are always on here just about every day Welcome to FC check out the indoor forum at Sunshines grow it looks like the Amazon.🌳 PS where about is your location Texas USA here. :cool:
 

Alphatoy

Well-Known Member
323
93
🤠 if they are dead yes I have a fairly good report on leaves on my forum indoor grow page #4 #65 ( first grow afghan+white widow led tent ) if you have time read this before you do any thing. glad you are getting better ph keep it up and keep the updates coming.🤓
 
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Vpark

New Member
11
3
Hi guys .
Seems like I got the ph to a better lever
Last run off ph was 5.5 will keep moving it up till I get to 5.9
Growth restarted seeing vigorous growth since the last watering two days ago .
Still getting purple leaves and stems and some drying out .see pics.
8094

8096

Also seeing some clawing on leaves tips .

Any suggestions?

Thanks for all the help.
 

Alphatoy

Well-Known Member
323
93
🤠claws sometimes show that the plant is in to much heat do they have brown tips. do you have a fan around plant for circulation the air always need to be moving. I see you are in a tent and tents get pretty warm.
:grinning:
 

Vpark

New Member
11
3
No brown tips
Canopy temp is at 77-81
So I don't think it's heat stress
I have a fan directed at the plant
And I give the pot a half turn every few days
 
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