This document summarizes spring and summer crop production in a greenhouse or high tunnel. It provides information on seeding dates, varieties of tomatoes and peppers to consider planting based on traits like earliness and disease resistance. It also discusses care techniques like staking tomatoes and pruning to improve air circulation and fruit size. Other crops mentioned being grown include strawberries, cherry tomatoes, bell peppers, cucumbers, summer squash, and various lettuce and potato varieties.