Here is a selection of mail-order plant catalogs. Unless noted, the catalogs are free.
Some Web sites offer special sales and products and free e-newsletters.
A seed mix of annuals and perennials to attract beneficial insects is new this year at Cook's, a company that uses certified organic seed. Bt beetle killer, garlic barrier and hot pepper wax. Orders are shipped in April. Unusual hostas, epimediums and arisaemas are contained in this delightful catalog for plant collectors. For a printed copy, send 10 stamps or a box of chocolates.