How long should a plant be in 3 weeks estimated

MickFoster said:

I've only grown a couple of autos.....don't like them.
Anyway, here's a pic of 2 autos at 3 weeks from sprout for a comparison.
View attachment 4611022

Click to expand...

MickFoster said:

I've only grown a couple of autos.....don't like them.
Anyway, here's a pic of 2 autos at 3 weeks from sprout for a comparison.
View attachment 4611022

Click to expand...