Creating a self-cleaning outdoor plant box is a fantastic way to enjoy a lush garden with minimal effort. The key is selecting plants that thrive with little maintenance, resist pests, and naturally suppress weeds. Here are some top choices:

1. Succulents (e.g., Sedum, Echeveria) – These drought-resistant plants store water in their leaves, requiring little watering and no pruning.

2. Herbs (e.g., Thyme, Rosemary, Sage) – Hardy and aromatic, these herbs repel pests and grow densely, reducing weed growth.

3. Ornamental Grasses (e.g., Fountain Grass, Blue Fescue) – These grasses need minimal care, self-seed, and add texture to your plant box.

4. Ground Covers (e.g., Creeping Thyme, Ajuga) – These spread quickly, choking out weeds while requiring no trimming.

5. Perennials (e.g., Lavender, Coreopsis) – Once established, they return yearly with little intervention and attract pollinators.

For a truly self-sustaining setup, combine these plants with a well-draining soil mix and a drip irrigation system. This ensures your outdoor plant box stays vibrant with almost no upkeep!