Tracked by Evreward since 2011, Dress Barn offers coupons, cash back rebates and rewards, with savings as high as 90% off. Dress Barn discount coupons are seasonal, appearing every three to four months, but can be less valuable than similar merchants. Even when Dress Barn doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.