Catharine Howard visits the gardens of Mansard House in Bardwell, Suffolk, the home of award-winning garden designer Tom Hoblyn and his wife Mary, who use it as their plant laboratory. Photographs by Richard Bloom.
Tom and Mary Hoblyn bought Mansard House 18 years ago, when they fell in love with the brick-built Dutch-gabled house and its ramshackle plot of land. The tall 17th-century building is on a slight hill, with its back to the thriving and pretty village of…