Need some information and tips

[Sum1SumWhere]

Currently have 4 plants, 2 are about 2 1/2- 3 inches tall, the others are just sprouts, i have one plant that ha one of the bottom leafs eaten a little bit and was wondering if that will ruin it or not, ima post pictures of the plants so you can see them and help me and gi e me your opinions

 

[Cannbidoscar]

Those first set of single blade leaves don't really matter once your out of the seedling stage, you'll be fine.