A seed exchange is a time for local farmers to build food security for our isolated islands by coming together to share seed, cuttings, huli, roots and keiki of food crops that do well in their farms and gardens and are acclimated to Hawaii’s unique climate. This year honors “Fire” and its role in agriculture. No money is exchanged and all plant material is given freely to anyone who wants to grow it. The event, which will be held on June 21 at the Amy Greenwell Ethnobotanical Garden in Kealakekua, is free and open to the public. For more information visit www.hawaiiseed.org.