University builds unique climate change garden for RHS Chatsworth Flower Show
- Garden for a Changing Climate highlights messages about climate change and its likely impact on the landscape
- Educational garden built after Royal Horticultural Society commissioned chapters of report with researchers at the Universities of Sheffield and Reading
- University students joining researchers at the RHS Chatsworth Flower Show to discuss the garden’s design with public
The University of Sheffield has designed a garden at the RHS Chatsworth Flower Show to illustrate key points from a recent report on the impacts of climate change on gardens and other green landscapes.
The Royal Horticultural Society (RHS) commissioned chapters within the report ‘Gardening in a Changing Climate’ with researchers at the Universities of Sheffield and Reading.
Dr Ross Cameron and Andy Clayden from the Department of Landscape at the University of Sheffield were responsible for translating knowledge about climate change into predictions for future garden design and management.
Following this, the RHS requested the University build an educational demonstration garden at the inaugural RHS Chatsworth Flower Show with the aim of highlighting important messages about climate change and its likely impact on the landscape.
The garden is designed to illustrate how contemporary garden features and plantings will alter with a changing climate.
The design deals with the need to be more flexible with respect to extremes of weather – for example coping with excess rainfall at some periods and drought at other times.
Features include innovative ways to trap and store water, reduce the incidence of flooding and using excess run-off water to provide ponds to support wildlife. The design also includes plants specifically sited to protect our homes from excessive heat and reduce the reliance on artificial air conditioning. Indeed, sustainable use of resources in a low carbon economy is an additional element within the climate change theme.
Andy Clayden, who was responsible for the overall design of the garden, said: “This is a great opportunity to demonstrate how gardens can help alleviate some of the problems that will come with climate change, particularly in regulating water flow and supply across the urban matrix.
“It will also highlight how our lifestyles may change and how we may use the garden in a more dynamic, but also flexible manner to deal with alterations in the weather.”
The construction of the garden is the responsibility of the landscape contractor NT Killingley, and they have worked with students from the Department of Landscape to provide an attractive, but also educational garden. Students from the University are on hand during the show to discuss the design and its underlying messages with the public.
Bob Goodman, a Landscape Management Masters student at the University, said: “I am delighted to be involved. This brings together a range of skills that I have learnt on the course; not least putting a lot of theory about climate change and sustainability into a tangible garden that people can relate to.”
The garden features a number of innovative design details to help the gardener deal with less predictable weather, including a canopy over the patio that is catches rainwater and re-directs it to a community water harvesting system. Gardeners of the future can also utilise mini-glasshouses that move to protect their ‘prize specimen’ plants from rain and hail.
Dr Ross Cameron who, based on the report, developed the brief for the garden, said: “The garden provides a vision of what our gardens might look like 100 years from now and will highlight potential changes in gardening.”
- The loss in some parts of the country of ‘traditional’ favourite garden plants, such as hybrid-tea roses (too humid) in the north and west and Japanese maples (too dry in summer) for the south and east.
- Garden plants specifically bred for their resilience to cope with radically oscillating weather patterns, as well as for attractive flowers.
- A trend for plants selected or bred to produce smaller flowers or to have repeat flowering traits, so as to cope better with rain and wind.
- Greater pressure on garden plants from new pests and diseases associated with a warmer climate.
- A radical change to garden tree management. Pollarding may be encouraged to allow a canopy of large leaves to develop. This will help trees shade the house and patio during hot periods, whilst also resisting wind damage during storms.
- In the south and east particularly, the formal lawn may be replaced by steppe like meadows.
The Meteorological Office has particularly welcomed the RHS report and associated garden as an ‘ideal vehicle to convey the messages around climate change to a large audience, in an accessible clear manner’.
The Chatsworth Flower Show runs from 6-11 June 2017.
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