I can't find a web site to purchase the beans. Any suggestions? I'd like to start them in the house. When do I start them after purchasing them?
Purchasing the Beans.
Certified GKH Gardening Expert
Amazon, ebay, etsy, and many gardening centers have them. You can start them at any time, as long as they have bright light. Just put them into soil on their side about an inch deep. Most if not all will germinate very easily and quickly. These grow very well without help. I would wait to plant them until all threat of frost has passed.
This article will give you more information: https://www.gardeningknowhow.com/ornamental/vines/hyacinth-bean/purple-hyacinth-bean-care.htm