Lynn - Well, in that picture in this tip here was buy one rose, get one free. Can't beat that.
Also, they send out their e-flyer on Thursdays for Friday sales, so you know what's going to be on sale that weekend so you can beat the rush. I've also picked up coupons from them for $5 off of $50 in the garden section, bags of mulch 4 for $10.. that kind of stuff.