Arrange cheese cubes and grapes in rows on platter or cutting board to resemble a Christmas tree shape, rows should get smaller as you move up the platter, starting with Monterey Jack and ending with a row of Cheddar at the top.
Add rosemary sprigs between rows as shown in photo.
Roll cream cheese into ball, then coat with parsley; place at top of tree.
Place celery at bottom for the tree trunk.
Serve with crackers on the side.