An English inspired landscape garden/park was laid out southwest of the farm around the mid 19th century. The park covers around 1.5 acres and reaches from the flat lawns by the farmhouse to the summerhouse on a small hill to the southwest. There are deciduous trees from southern climes such as sycamore, elm, ash, beam, laburnum, philadelphus, cherry and apple trees. The garden also has many old robust perennials and spring flowering bulbs.

Peder Tønder created the first known garden at Dønnes during the second half of the 17th century. It is thought to have been a strictly laid out geometric renaissance style garden as Peder Tønder would have seen on his travels abroad and like one he had at his townhouse in Trondheim. There is a stone wall at the lower end of the garden which may well have been part of Tønder's ornamental garden.