Because you are a reader of Buffalo-NiagaraGardening.com, you can take advantage of a couple of coupons from Badding Bros Farm Market, 10820 Transit Rd., between Millersport Highway and North French, East Amherst. With the first coupon, get 20 to 50 percent off all ceramic pottery on Mother’s Day weekend, Friday-Sunday, May 12-14. A plant in a lovely pot makes a great gift. Pick up pots for your own yard as well. With the second coupon, get a free four-inch plant…