On Wednesday 12th March 2025, Mark Johnston joined us to speak of his 50 years as an independent scholar in the greenspace industry.
NIHGT News
Battle to Save Irish Arboretum. Castlewellan National Arboretum & Annesley Garden featured by RHS's The GARDEN
The Castlewellan National Arboretum and Annesley Garden featured in the Septemeber issue of the Royal Horticultural Society'sThe GARDEN magazine
Castlewellan Arboretum & Annesley Garden update
Northern Ireland Assembly written Question 10 July 2012 (ref. 13346/11-15)
from Kieran McCarthy MLA to Michelle O’Neill MLA (Minister of Agrigculture and Rural Development)
Preview of the Conference Venue
Royal Kilmainham Hospital the superb venue for the 2012 Conference 5-7th Oct
Plant Hunters Seminar at Mount Stewart
This year's Plant Hunter's Seminar will take place at Mount Stewart on Friday 21st and Sat 22nd September 2012
Castlewellan Arboretum & Annesley Garden, Comment on
NIHGC comment on the Castlewellan Arboretum & Annesley Garden
On-Line Conference Bookings
The first of the On-Line Conference Bookings have been received. Conference dates 5-7th. October 2012
Phoenix Park 1662 - 2012, Events Programme
Celebrating the 350th Anniversary of The Phoenix Park in Dublin, find out more about upcoming events and activities at the venue.
Castlewellan Arboretum & Annesley Garden
Castlewellan Arboretum & Annesley Garden - Please please do what ever you can to support the endeavours to secure the future of the Trees, Shrubs, Herbaceous Borders and the Buildings.
Deer in The Phoenix Park
An obvious topic for this years Conference in October. Booking will be available in early Spring
Castlewellan Arboretum & Annesley Garden Update Meeting
Circa 85 interested people attended the meeting in Castlewellan, including local Councillors and MLA's. Following the presentation many people expressed encouraging positive comments and praise was deservedly paid to the ARC volunteers who have been continued their regular valiant effort to maintain the historic Annesley Garden.
2012 Conference Dates, Theme and Venue confirmed
The Committee are extraordinarily pleased to announce that the 2012 Conference will be from Fri 5th to Sunday 7th October 2012. The Theme will be Royal Parks & Gardens "Back to the Future" and will be in the Royal Hospital Kilmainham, Dublin.
IGPS Lecture
30th Anniversary Lecture in The Old Courthouse, Antrim. 20th Oct by Seamus O'Brien


