Two years after his arrival in 1619, he closed the park walls. Buying new land, it radically changed the perspective of the château. On the plans of Androuet Hoop, we see that the château entrance was on the west side of the château. Paul Ardier ordered the construction of a new driveway centered on the gallery. Along this line, the current path of honor, were planted fruit trees. The walled garden of Jean Thier was preserved, he adapted to the new gardens in the French fashion. In 1661, the documents attest to the existence of a building reserved for orange and in 1718, was raised in a large body of which he remains today only half. An inventory of the early eighteenth century counted 74 orange and lemon reflecting the real interest of Beauregard lords for their orangery. The 19th century Fashion landscaped gardens arrived in France in the late eighteenth century. In England, landowners were enthusiastic about all landscaping that preserved the natural appearance of sites. In France, one of the most successful examples of these gardens are landscaped gardens of the Petit Trianon at Versailles created for Queen Marie Antoinette . The eighteenth century also saw the appearance in France previously unknown species brought back from scientific expeditions in North America and the Middle East . Some of these rare species will enrich the Beauregard gardens like a cedar of Lebanon, the tulip tree magnolia grandiflora or. The author of the park to Beauregard Castle English is unfortunately not known. In the eighteenth century or the Empire, the English tradition supplanted the garden "to the French." The rehabilitation in the 20th century In 1992, the park was listed as a historical monument. A major restoration work was then undertaken. Inspired by a Gilles Clément project, the Beauregard gardens evidence a concern to ensure the link between the past centuries and modern times. The various collections of trees and plants (oak, cedar, bamboo, decorative barks) are the direct descendants of the botanical likes of Jean Thier. Portraits of the garden or the recent renovation of the cooler demonstrate continuous innovation. Portraits of the garden was created in 1992 by Gilles Clément. Portraits of the garden consists of 12 portraits gardens recalling the 12 groups in the château gallery. Protected by its high walls plant, garden or each "room" is a variation on a dominant color and a scholarly exercise