Should I be concerned?

[shadycon]

This is the only leaf like this on 60-70 day old plant.

 

[SoOrbudgal]

[No message]

 

[Mollisol]

Very funny

 

[shadycon]

No...It wasn't the dog!!!!!!!!!!!!!!!!!!

 

[shadycon]

I assume it's not a problem........................................................................................

 

[Bluey]

Not a problem. If you had lots of leaves losing pigment then yes.

 

[No3odiesShad0w]

Is it an auto or a photo period? But your probably fine if it's just one leaf.

 

[shadycon]

Free seeds, unknown origin........................................

 

[No3odiesShad0w]

Ooooo mystery plants. I'm growing a mystery plant myself. Always fun