The Formidable Forms Pro plugin includes the option to set a dynamic year for the start and end year range. But if you would like this range to change when another date field changes, or set a more specific range that starts or ends on a specific date rather than at the beginning or end of the year.

Formidable Forms Datepicker Options Features

Blackout days of the week.
Blockout dates by selecting specific days.
Set the minimum and/or maximum date based on another date field for more control over the year range.
Set the minimum and/or maximum date base on the current date.
Show to datepicker inline so it shows directly in the form