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Spectacular ‘lost’ 17th century garden is revealed under parched grass sparked by Britain’s record-breaking heatwave
Record-breaking heat and prolonged dry weather across Britain have caused parched grass to reveal the outline of a "lost" 17th-century formal garden, as scorched lawns expose buried archaeological features that would normally stay hidden. The phenomenon, known as a parchmark or cropmark, occurs when vegetation above buried walls, paths and foundations dries out and dies at a different rate to the surrounding grass, tracing the ghostly footprint of structures long since removed or built over. Such discoveries matter because they offer archaeologists and historians rare glimpses of historic landscapes without any need for excavation.
The garden dates back roughly 400 years and its elaborate layout, including paths and planting beds, became visible only once the heatwave had sufficiently stressed the grass covering the site. Similar heat-induced revelations have become increasingly common during Britain's hottest and driest spells, with historic sites, former estates and archaeological remains periodically resurfacing in aerial and ground-level photographs as a striking, if unintended, consequence of the extreme weather.
In short
- Heatwave-dried grass reveals a hidden 17th-century garden's layout
- Parchmarks form when buried structures affect grass drying patterns
- Extreme heat is increasingly uncovering hidden historical features in Britain
Explained simply
Heat and drought can reveal buried archaeological remains when grass dries out differently above underground structures such as old walls, paths and foundations. These natural outlines—caused by different soil drying rates—create distinctive patterns called parchmarks or cropmarks, visible without any need for excavation.
Historians and archaeologists value these discoveries because they show how historic landscapes and buildings were arranged centuries ago. A 17th-century formal garden approximately 400 years old has been revealed in this way, with its elaborate paths and planting beds now visible in the parched grass patterns.
Such heat-induced discoveries have become increasingly common during Britain's hottest and driest periods. These windows into the past are temporary, however, fading as wet weather returns and the grass recovers.