Ardcarne Garden Centres – Summer Container Planting TOPICS:Ardcarne Garden Centres - Summer Container Planting Posted By: Sean O'Dowd 9th May 2017 FREE Summer Container Planting Demonstration, Ardcarne Garden Centre, Boyle & Roscommon Town on Saturday 20th May 11.30am – 12.30pm. Discover how to plant up your perfect summer containers and which plants will give you the best show.