A remnant of the estate’s 19th-century monkey puzzles, plus towering specimens of the rhododendron ‘altaclerense’. Photograph: Megan O’Beirne

Most people have never heard of Kilmacurragh Arboretum, a tree lover’s paradise half an hour south of Bray, Co Wicklow. For many years the gardens wer(...)

 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 (...)