Here's how you can save 50% off trees and shrubs at Lowes. The best time to buy trees and shrubs at Lowes is in the fall time when they are are tring to get rid of inventory before winter. I have seen the price start at 25% discount and increase to 50% a week latter. Save an extra 5% off buy using your Lowes credit card. The best cashback sites for Lowes right now are Ebates and Fatwallet currently offering 2% cash back. Large list of Lowes Coupons