Group will meet on alternate Thursday mornings starting Thursday April 20 We'll focus on the garden area around the reflecting pool in anticipation of spring garden events coming up.. Serious rain will cancel. Or a rain call will be made by 7:30 am. General Work Plan: Weeding, pruning, clearing invasives around Whittemore Robbins House & the Reflecting Pool Meeting place: Carriage House behind Whittemore Robbins House (700R Mass. Ave., Arlington Ctr.) Parking: We provide parking permits for parking near the Carriage House Wear gloves. Bring water and hand tools if you want. We have long-handled tools and garden carts.