Nelson’s list of garden plants of Irish origin also includes more than eight hundred different Irish roses. Photograph: iStock

How do we place a value on history? What is the magical process, aside from the slow and steady passage of time, that leads us to recognise the cultur(...)

Lilium henryi, or tiger lily, was brought to Europe from China by Augustine Henry. Photograph: Richard Johnston

Today’s modern plant hunters (see main article) would be the first to admit that they have it easy in comparison to their historical predecessors. Fo(...)

Sheltered from the main part of Sandford Road by a fenced in coppice, the houses on Sandford Terrace, somewhat confusingly also known as Sandford R(...)

Best in Show, left, by Vinita Khemka from India, a winner at   World Flower Show 2014 at the RDS today. Photograph: Cyril Byrne/The Irish Times

The World Flower Show 2014 is under way in the RDS, with as many as 20,000 people hoped to attend. This is the first time Ireland has hosted the even(...)

 Seamus O’Brien, head gardener of Kilmacurragh surrounded by the flowers of the tree rhododendron, R.arboreum ssp. cinnamomeum, which is in full bloom in the gardens at the moment. Photograph: Richard Johnson

An awfully long time – roughly 140 years – has passed since the famous Broad Walk of Kilmacurragh in Co Wicklow was first laid out by siblings (...)

Under cover: at the feet of a specimen Sitka spruce. Illustration: Michael Viney

The enrichment of geography that Google now makes possible has had me browsing on the island of Sitka, off the ragged coast of Alaska but quite a b(...)