Recent restoration has revived the gardens, but protecting and developing this living heritage requires ongoing care, research, conservation, and new planting beyond core public funding.By joining the Friends, you help safeguard rare species, preserve historic features, support education, and ensure the Arboretum continues to thrive for future generations.Join us — and help grow the future. You can also gift a membership to someone who you know.Ready to make a difference? Start your journey by becoming a member now!

Your donation helps the future sustainability of Castlewellan Arboretum and Annesley Walled Garden its historic collections, heritage features and biodiversity. Every contribution supports additional restoration and planting. It does not go to the day to day care as that is the responsibility of NMDDC.Thank you for your support.