YOUR OUTDOOR OASIS IN SELINSGROVE & DANVILLE, PA AND SURROUNDING AREAS OF SNYDER COUNTY, PA IS ONLY A PHONE CALL AWAY! Imagine running barefoot across beautiful, lush grass, starting a garden in a raised bed or entertaining family and friends around an outdoor fire pit. When you work with Cook's Horticulture & Landscaping Services, your imagination is the only limit! For years we've been transforming back and front yards in Snyder County, PA, with exceptional landscape and hardscape design services.