When does seedling stage end

[J DOG 6000]

I do same as Sativagrowin does up there

J DOG 6000 Reviewed by J DOG 6000 on 01-24-2006. When does seedling stage end From when the seed actually sprouts out of the ground how long should you use a CFL or incandescent Light before throwing on a MD say 175 to 250 watts please reply input greatly appreciated. Rating: 5