Trevor is a regular contributor to the Radio U105 and a frequent contributer to BBC NI radio programme Gardeners Corner.
He has presented television gardening on BBCtv, RTE and UKGold.

He is widely regarded as an expert and regularly lectures on the Gardens of Ireland and has lectured in many parts of the world on the topic. He acts as an expert guide and Tour Manager for Garden Tour operators into and out of Ireland. Trevor has traveled to many gardens all over the world and often been interviewed on TV & Radio as part of the travel experience.

He has worked closely with Tourism Northern Ireland (formally the Northern Ireland Tourist Board) and Tourism Ireland to promote Garden Tourism into Northern Ireland & the Rep of Ireland.

Trevor is honoured to be a Liveryman of the Worshipful Company of Gardeners.

He frequently Reviews new book publications. He also contributes regularly to various magazine and tourism publications.