Green Savanna Lawn Maintenance 11731 College View Dr, Silver Spring, MD20902 Green Savanna Lawn Maintenance provides lawn care and landscaping services for residences and businesses in the Wheaton…More and surrounding Silver Spring area. Maintenance includes weekly lawn mowing, trimming and pruning, landscape design, mulching and paving. The company also does spring and fall clean-ups. Snow removal is offered in the winter months. Call for a free estimate.