Walled garden

[1] Metaphorically, "walled garden" may be used in many contexts (often pejoratively) to indicate a space, usually not a literal physical location, which is or is seen as closed to outsiders.

The shelter provided by enclosing walls can raise the ambient temperature within a garden by several degrees, creating a microclimate that permits plants to be grown that would not survive in the unmodified local climate.

The gardeners make the most of the northern or southern exposures and the permanently shady areas of this little, sheltered valley.

Heat would escape into the garden through these openings, and the smoke from the fires would be directed upwards through chimneys or flues.

This kind of hollow wall is found at Croxteth Hall in Liverpool (England), and Eglinton Country Park and Dunmore House, both in Scotland.

[3] The largest gardens served extremely large households, for example, the royal kitchen garden at Windsor was built for Queen Victoria in 1844 and initially occupied twenty two acres, but was enlarged to thirty one acres to supply the growing household.

[citation needed] In the story of Susanna and the Elders, a walled garden is the scene of both an alleged tryst and an attempted rape.

[10] In The Last Enchantment, the third book in Mary Stewart's novels of the Arthurian legend, Merlin constructs a heated wall for his garden at Applegarth.

The walled garden of Edzell Castle , Scotland, survives from the early seventeenth century.
Detail of miniature, c. 1490s , showing a garden walled all round, with internal fencing of various kinds. The stone walls are unrealistically low for artistic convenience.
15th-century Hortus conclusus , with the Virgin Mary reading, imagined by the Upper Rhenish Master
Movable blocks to control the movement of hot air in the heated wall at Eglinton Country Park
Psyche Opening the Door into Cupid's Garden , by John William Waterhouse