When Should I Move My Plant Outdoors?

It's about 3 days old, I'm going to be moving it into a larger pot and putting it in a buried tote in the woods, when would be a good time to transplant it and move it out?

Any help? I need to know this.

Bumping for information.

At around 10 days or 7-8 inches. This is what ive read, And found worked best for my outdoor grow onyl did 2 of them so...