gardening classNews | May 30, 2017 FREE Container Gardening Class! The Garden Center of Gypsum, located at 3288 Cooley Mesa Drive in Gypsum, is offering a complimentary Creative Container Gardening class Saturday, June 3, from 1 to 2 p.m. This free class will teach you how to create beautiful and impactful annual planters like the professionals. Come learn the secrets for planting and maintaining container gardens and become an expert at choosing the perfect color combinations and plant varieties. Please call 970-524-TREE (8733) to reserve a spot.