Good normal size for 11 month old seedlings?

[lophofan]

Hello.  I am just wondering if this is a good normal size for 11 month old Ariocarpus trigonus seedlings.  They grow so slow and I'm not positive if I'm doing everything right. I'd love to hear from you all if these seedlings are a normal size for 11 month old seedlings. 

Thanks!!

[Frank]

I think seedlings grow continuously last 11 months under soft sunlight (artificial light because of sown last autumn?).
The growing speed of these A. trigonus seedlings is better than normal, I believe.

[lophofan]

They are under T5 fluorescent lighting.  Thanks so much for your input!

lophofan

[andrea.a]

I agree, they are growing faster than usual.