Rocky soil can be a challenge for gardening, but with the right plants, your outdoor plant boxes can flourish. Here are some top choices that thrive in rocky, well-draining conditions:

1. Sedum (Stonecrop): These drought-tolerant succulents come in various colors and textures, perfect for rocky soil. They require minimal care and add vibrant charm.

2. Lavender: Known for its fragrant blooms, lavender loves poor, rocky soil and full sun. It’s ideal for adding height and aroma to your planters.

3. Thyme: A hardy herb that spreads beautifully in rocky conditions. Its tiny flowers attract pollinators, making it both practical and decorative.

4. Sempervivum (Hens and Chicks): These rosette-forming succulents are virtually indestructible in rocky soil and look stunning in clusters.

5. Alpine Aster: A low-maintenance perennial with daisy-like flowers, perfect for adding a pop of color to rocky plant boxes.

For best results, mix these plants with gravel or sand to improve drainage. With these selections, your rocky soil plant boxes will be both resilient and visually appealing!