Awalled garden is agarden enclosed by highwalls, especially when this is done for horticultural rather than security purposes, although originally all gardens may have been enclosed for protection from animal or human intruders. Intemperate climates, especially colder areas, such asScotland, the essential function of the walling of a garden is to shelter the garden fromwind andfrost, though it may also serve a decorative purpose.Kitchen gardens were very often walled, which segregated them socially, allowing the gardeners, who were usually expected to vanish from the "pleasure gardens" when the occupants of the house were likely to be about, to continue their work. The walls, which were sometimes heated, also carried fruit trees trained asespaliers.
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Historically, and still in many parts of the world, nearly all urban houses with any private outside space have high walls for security, and any small garden was thus walled by default. The same was true of many rural houses and other buildings, for example religious ones. In palaces and most country houses, the whole plot, including even a very large garden, was also walled or at least fenced, sometimes with (much more expensive) metal railings along those parts of the boundary giving the best views to show off the splendour of the residence, as at thePalace of Versailles,Buckingham Palace and many others. In some cases there was originally a fence or hedging, but a wall was added later when funds allowed. In particular, hiring local labour to build a wall was considered a praiseworthy method offamine relief for the rich, and many walls round the grounds of country houses in the British Isles date to thefamine years of the 1840s.
The horticultural, and also social, advantages of a walled garden meant that kitchen gardens often form or formed a walled compand within a larger walled compound. Sometimes this was for the security of the plants; in the 1630s the royalbotanical garden of France (now theJardin des plantes), itself walled all round, had an inner walled-offtulip garden, as the bulbs were valuable and prone to thefts.[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. One example is theclosed platform in computing.
The shelter provided by enclosing walls can raise theambient temperature within a garden by several degrees, creating amicroclimate that permits plants to be grown that would not survive in the unmodified localclimate.[citation needed]
Most walls are constructed fromstone orbrick, which absorb and retain solar heat and then slowly release it, raising the temperature against the wall, allowingpeaches,nectarines, andgrapes to be grown asespaliers againstsouth-facing walls as far north as southeastGreat Britain and southernIreland.[citation needed]
The ability of a well-designed walled garden to create widely varying stable environments is illustrated by this description of the rock garden in theJardin des Plantes in Paris'5ème arrondissement, where over 2,000 species from a variety of climate zones ranging from mountainous to Mediterranean are grown within a few acres:
The garden is protected from sudden changes in weather conditions and from harsh winds, thanks to its hollowed out terraces and the big trees .... The gardeners make the most of the northern or southern exposures and the permanently shady areas of this little, sheltered valley. Within just a few metres, temperatures can range from 15 to 20 degrees C, what one would call a micro-climate![2]
A number of walled gardens in Britain have ahot wall orfruit wall, a hollow wall with a central cavity, or openings in the wall on the side facing towards the garden, so that fires could be lit inside the wall to provide additional heat to protect the fruit growing against the wall. Heat would escape into the garden through these openings, and the smoke from the fires would be directed upwards throughchimneys orflues. This kind of hollow wall is found atCroxteth Hall inLiverpool (England), andEglinton Country Park andDunmore House, both in Scotland. AtCroome Court an 18th-century cavity wall had a number of small furnaces to supply gentle heat (see below). In the 1800s, such walls were lined with pipes and connected to a boiler, as atBank Hall inBretherton.
The traditional design of a walled garden, split into four quarters separated by paths, and awellhead orpool at the centre, dates back to the very earliest gardens ofPersia. Thehortus conclusus or "enclosed garden" of High Medieval Europe was more typically enclosed byhedges or fencing, or the arcades of acloister; though some protection from weather and effective protection from straying animals was afforded, these were not specifically walled gardens.
In the United Kingdom, manycountry houses had walledkitchen gardens which were distinct from decorative gardens. One acre of a kitchen garden was expected to provide enough produce to feed twelve people, and these gardens ranged in size from one acre up to twenty or thirty acres depending on the size of the household.[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.[4] Kitchen gardens received their greatest elaboration in the second half of the nineteenth century.[5] Many of these labor-intensive gardens fell into disuse in the twentieth century, but some have been revived as decorative gardens, and others used to produce fruits, vegetables or flowers.
Susan Campbell, in a book devoted to walled kitchen gardens, mentions several factors which contribute to how productive a kitchen garden is. Productivity depended upon the suitability of the situation, and successful gardens depended on the availability of water, manure, heat, wall space, storage space, workrooms, and most importantly, a dedicated team of gardeners.[3]
British examples of walled gardens can be found atAlnwick Castle,Castle Bromwich Hall Gardens,Fulham Palace,Goodnestone Park,Luton Hoo,Osborne House,Polesden Lacey,Shugborough Hall, andTrengwainton Garden in England;Bodysgallen Hall (Wales);Edzell Castle,Muchalls Castle andMyres Castle (Scotland).
The walled kitchen garden atCroome Court, Worcestershire is reputedly the largest 18th-century walled kitchen garden in Europe. It is in private ownership and has been restored by the current owners. In about 1806, a 13 ft (4.0 m) high free-standing east–west hot wall was built, slightly off-centre, serviced by five furnaces; this is historically significant as it is one of the first such structures to be built.[6][7]
The walled kitchen garden atChilton Foliat, Wiltshire, was the subject of the 1987 television documentary seriesThe Victorian Kitchen Garden.[citation needed]
In the story ofSusanna and the Elders, a walled garden is the scene of both an alleged tryst and an attempted rape.[8] Because of the walls, the community is unable to determine which actually occurred.
InJohn William Waterhouse's interpretation of the myth ofCupid and Psyche,Psyche lived inCupid's walled garden.
Much of the storyline ofFrances Hodgson Burnett'schildren's storyThe Secret Garden revolves around a walled garden which has been locked for ten years. The author was inspired byGreat Maytham Hall in Kent.[9]
"Rappaccini's Daughter", a short story byNathaniel Hawthorne, takes place almost entirely within the confines of a walled garden in which Beatrice, the lovely daughter of a mad scientist, lives alongside gorgeous but lethal flowers.[10]
InThe Last Enchantment, the third book in Mary Stewart's novels of the Arthurian legend, Merlin constructs a heated wall for his garden at Applegarth.
Media related toWalled gardens at Wikimedia Commons
