I was under the impression that this is false, and that writing post-dated checks can actually be considered illegal under some of the worthless-check laws here in the United States.
John Smith owns John Smith Landscaping Services LLC.
Then you can bring the check back in whenever you're able to.
Just write the check for the date you want it to go to the bank!
[...] If a bank charges against the account of a customer a check before the date stated in the notice of postdating, the bank is liable for damages for the loss resulting from its act.
The loss may include damages for dishonor of subsequent items under Section 4-402. You're writing a future date on the check, not past, to ensure that the check will not be deposited before that day.