Check those old seeds before you toss them, says Iowa State University's Department of Horticulture. Try to germinate a few seeds to see if they are still viable, but discard any round seeds that have become pocked or indented.
About this Author
D.M. Cameron was a journalist and editor for wire services, newspapers and magazines for more than 20 years. In addition to editing and ghost-writing non-fiction books, Cameron now writes for several websites and trade journals. Cameron's degrees include a Bachelor of Arts in journalism from Penn State.