Check the Palace of Versailles' calendar for Musical Garden exact dates and times. Order tickets to the Palace and grounds ahead of time online.
The Musical Gardens only occur between April and the end of October.
The estate is closed on Mondays so plan accordingly.
Summer is always very busy and crowded—be prepared if you're visiting during that time. Late spring is far less crowded and very beautiful with all the spring flowers.
Children under 18 years old are free.