About Peter

Mercy college Sligo school garden peter donegan garden design

2023 Peter Donegan became the first Irish landscape architect invited and accepted to design at Melbourne International Flower and Garden Show, the Southern Hemisphere’s largest and most prestigious flower show where he won Gold medal.

Peter returned to MIFGS and Australia as a garden judge and to design the shows featured garden March 2024 winning The People’s Choice Award.

Selected to represent Ireland to design & realise the WW1 Centenary Peace Garden at Château de Péronne in 2018, Peter returned in 2022 and designed a 2nd inaugurated garden at the 13th Century castle known also as the Historial de la Grande Guerre, home to Europe’s largest war museum. 

From 2019 to 2022, The Royal Horticultural Society (RHS) silver medallist assumed the role of series garden designer for Ireland’s most watched TV show, RTE’s DIY SOS The Big Build.

In 2001, aged 24, horticulturist Donegan began designing under his own name and swiftly won a host of awards for 17th & 18th century gardens designed & show gardens at national competition.

Peter Donegan MSGD is a registered member of The Society of Garden Designers (UK), has been a garden judge in London and Melbourne and an international guest speaker, master of ceremonies and garden design lecturer.

Contact Peter about your landscape design project: