Aerial shots of RHS Garden Wisley, Surrey, photographed by drone by Oliver Dixon. A gardener tends to the walled garden ahead of National Gardening Week which starts on Monday. Sadly the garden is closed due to Covid-19 but the RHS is calling on people to get involved in National Gardening Week, which starts on Monday 27 April and runs to Sunday 3 May, following a huge surge of interest in gardening since lockdown began.