[1] He writes occasionally for The Daily Telegraph, Gardens Illustrated magazine and The Garden - the membership magazine of the Royal Horticultural Society.

He has worked with Nigel Dunnett of the University of Sheffield on the first book in English on green roof and related 'green architecture' technologies.

[2] In collaboration with Tim Richardson Kingsbury has edited Vista, the Culture and Politics of Gardens and co-chairs events at the Garden Museum in London under the title 'Vista'.

[3] He has worked with several notable garden photographers, such as Marianne Majerus and Andrea Jones.

Kingsbury earned a doctorate from the University of Sheffield in 2009, for a thesis on the Long term performance of ornamental herbaceous vegetation.