Creating a thriving garden in a dry shade outdoor plant box can be challenging, but with the right plants, it’s entirely possible. Dry shade areas, often found under trees or near buildings, require plants that can tolerate limited sunlight and infrequent watering. Here are some of the best options to consider:

1. Hostas: Known for their lush foliage, hostas are excellent for dry shade. They come in various sizes and colors, adding texture to your plant box.

2. Heuchera (Coral Bells): These perennials offer vibrant foliage and tolerate dry conditions well. Their colorful leaves provide year-round interest.

3. Ferns (e.g., Dryopteris): Ferns thrive in shady, dry spots and add a delicate, feathery touch to your garden.

4. Epimedium (Barrenwort): A hardy ground cover, epimedium is drought-resistant and produces charming flowers in spring.

5. Liriope (Lilyturf): This grass-like plant is tough and adaptable, perfect for dry shade with its spiky foliage and late-summer blooms.

6. Pachysandra: A low-maintenance evergreen, pachysandra spreads quickly and thrives in dry, shady conditions.

7. Brunnera (Siberian Bugloss): With heart-shaped leaves and tiny blue flowers, brunnera is both drought-tolerant and shade-loving.

Tips for Success:

- Mulch: Use mulch to retain moisture and reduce watering needs.

- Soil Preparation: Amend the soil with organic matter to improve water retention.

- Group Plants: Cluster plants with similar needs to simplify care.

By choosing these resilient plants, you can transform your dry shade outdoor plant box into a lush, low-maintenance oasis.