Lemon seedling care--when to pinch or prune?

[lizlemon]

Hello! Long time reader but this is my first post. Thank you all for sharing your knowledge.

I'm growing several amalfi lemon plants from seed and wondering when, if at all, it's advisable to pinch them back to encourage healthy branch structure. Currently, they are thriving and about 5-6 inches tall. I'm growing them to be container plants because of where I live (New England, USA). I've found a lot of advice online for pruning saplings of about a year or so, but not much on best practices for seedlings. Any wisdom would be appreciated!

[poncirusguy]

Leave it alone. It is too small to be pinched.

[lizlemon]

Thanks--should clarify: I'm not looking to pinch it back right away, but wondering when it's best to do so.

[sc4001992]

When it reaches the height you want, the do it.