Extend Your Growing Season 3-4 Months! Easy to assemble greenhouse kits starting at $299. Free catalog; call today! Hoop House, Box 2430, Mashpee, MA 02649; 800-760-5192; www.hoophouse.com

Bob’s TOUGH PLASTIC. (Also pond liners, tarpaulins). Resists hailstones, snowstorms, yellowing. Samples: two stamps appreciated! Box 42ME, Neche, ND 58265. 204-327-5540 daily.