Generate a full detail guide in a checklist format for gardening tasks to complete in August, especially relevant for a climate like Zone 7b. The checklist must be organized and actionable. It should include sections on: 1. Harvesting: A guide to peak harvesting for summer crops. 2. Maintenance: Tips on deadheading, pest control, and deep watering during the heat. 3. Fall Preparation: A checklist for starting fall seeds and preparing beds. 4. A section on what NOT to do in the garden in August. Please include a supportive disclaimer.