Restrict date range in Gravityforms Datepicker.
The Code goes INTO the form into a HTML Field.
<script type="text/javascript">
jQuery.noConflict();
jQuery(document).ready(function($) {
$( "#input_1_1" ).datepicker({
maxDate:'+6m',
});
$( "#input_1_2" ).datepicker({
maxDate:'+7m',
});
});
</script>