Trees, Shrubs, Perennials & Mulch For Sale in Frederick, MD By RELS LandscapingJuly 13, 2015November 17, 2023Sales Get a head start on your fall plantings with discount prices at our Frederick, MD location! Enjoy 15% off perennials, 20% off trees & shrubs, and hardwood mulch on sale for $20 a yard! Contact us at our Frederick location today at 301-698-9331!