Tracked by Evreward since 2006, Flower.com offers coupons, cash back rebates and rewards, with savings as high as $10 off. Flower.com discount coupons are infrequent, only available a couple times per year, but are often more valuable than similar merchants. Even when Flower.com doesn't have a coupon, you can always get up to 20% cash back, and other great rewards, with every purchase.