Creating a mini champagne garden in an outdoor plant box is a fun and stylish way to add a touch of elegance to your small space. Start by selecting a sturdy plant box with good drainage. Fill it with high-quality potting soil and arrange empty champagne bottles upside down, partially buried for stability. Plant small, drought-resistant plants like succulents or herbs around the bottles for a lush look. Add decorative pebbles or moss to enhance the aesthetic. Water sparingly and place the box in a sunny spot for optimal growth. This unique DIY project is perfect for balconies, patios, or as a creative gift idea.