New Grower Hey its me again,

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Im kinda confused. It seems to me that I've been growing for about three weeks now. 4 including from seed. I'm not exactly sure the stages of growth.

Anybody with some knowledge know about how far along does it look like I am?

Are they behind, or does everything look about right?
 

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Also is this little lady here looking alright? Doesn't seem to be growing like the others.
 

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If that plant is (as you say) 21 days old from the seedling surfacing, then it's pretty far behind what
would be considered normal development.

Here's an average Day 21 plant:



Do you have a journal going?

What are we looking at here?

We'll need to know more about the strain and the grow (equipment, lights, medium, feed, etc.)
in order to offer any insight into what's going down :)
 
Also is this little lady here looking alright? Doesn't seem to be growing like the others.

This is the same pic as the first pic in the post above it. :)

But in all the pics they look super healthy. You sure you got the time frame right?
 
Ok, my tent size is 2'x2'x4', 450w LEDs. My soil is a local gardening store super soil (that I was told was made following TGA Subcool's recipe) layered with coco coir on top. 6" exhaust fan, and carbon filter.

Been having a problem with the lighting recently. I had to lower the lighting because they were stretching and tipping over because the stems aren't strong enough for the height they reached. I don't know if that could have contributed to anything or not.

Or my calender could be out of wack!
 
Is there such a thing as plants growing slower than expected?
 
look at this:
https://www.autoflower.org/f5/sweet-mango-timeline-39014.html

I had the same problem but that was because I only used like 40 watt lights at the start and from very far away so she stretched too.
But even then she didn't look like that on day 21.

Every plant grows at it's own rate ofc! but with 450w LED's you'd expect a bit more growth IMO. don't start panicing tho!

How far is the LED away from her exactly?
 
Okay...

Well, a couple things.

Depending on how much Coco you have on the top, that might be the issue. Coco is a soilless medium
that doesn't have any nutrients in it other than what you put in with your feeds, whereas the supersoil
has (or should have) LOTS of nutrients in it. I would think that the tap root SHOULD be down into the
supersoil layer by now but it may have had a long go of getting there. Plus, Coco is very, very good at
moisture retention, so there's no telling how much of the water you're putting into the pot is even getting
to the supersoil. Unless you're watering the pot all the way to run-off (getting excess water coming out
the bottom) at which point we can assume the supersoil is getting soaked.

One of the reasons your seedlings may be tipping over, is because the taproot is not developing in the
"blank canvas" of the Coco....

Another issue here is that Coco (as a soilless medium) desires a lower pH range than soil does...
If memory serves, plants in Coco desire 5.5 to 6.1 pH whereas plants in soil need to be in the
6.2 to 6.7 range. So I'm wondering if you're getting some stunting from that. I have experienced
severely stunted growth rates when not at the proper pH level in 50/50 Coco/Happy Frog.

My guess is that you are experiencing something similar.

Just to confirm, you are growing an auto flowering strain, correct?

Do you mind telling us which strain it is?

A supersoil mixture that is following a TGA/Subcool recipe is going to be intended for photosensitive
plants...and is going to be much stronger than what commonly is considered appropriate for
autoflowers. The "rule of thumb" for auto flowers is to start them at 1/4 strength of what would
otherwise be recommended for non-autoflowering (photosensitive) plants and work your way up
to half-strength concentrations while keeping an eye out for nute-burn on the tips of the leaves.

So if it's a recipe intended to emulate TGA/Subcool's, it's potentially 4 times too strong...which
can also stunt growth/development severely.
 
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About 12" away at first. Theni raised the out a bit hoping that's close enough.
Should they be closer?
 

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