Generate a full detail guide on vertical gardening. The guide must be creative and space-saving focused. It should include detailed sections on: 1. The benefits of growing vertically. 2. A guide to choosing the right plants for vertical gardens (e.g., vining plants). 3. A DIY tutorial for building a simple trellis. 4. A review of different vertical gardening systems (e.g., wall planters, hanging baskets, tower gardens). 5. Creative ideas for incorporating vertical elements into any garden size. Please include a supportive disclaimer.