Planting of dry beans should be conducted after the risk of frost has past. Depending on the production region, dry beans are generally planted around June 1st. Consult the article on Planting Date, or use the search function to find more information related to planting date.
Using high quality, pedigreed seed from inspected fields is important for early season vigour and reducing the risk of seed-borne disease. Review the Seed Quality article. See a list of Ontario labs offering custom seed germination testing.
The primary source of variety information is GoBeans.ca. Annual performance trial results are posted at GoBeans, as well as variety descriptions.