How to Care for Your Roses in the Spring and Planning Your Annual Flower Garden for the Summer, May 6th, 10 – 11 am. The Stanley Park Greenhouse Horticultural Staff will give you tips and discuss how to care for your roses in the spring and planning and care for your annual flower gardens.The workshop will meet at the fountain in the Rose Garden.Please use Gates 2 or Gate 3 for parking and easy access to the Rose Garden. For further information on the Garden Workshop, please go to www.stanleypark.org or call the park office at 413-568-9312.