Yes, you can grow dwarf ginger plants in an outdoor plant box, provided you meet their specific growing conditions. Dwarf ginger (Alpinia zerumbet 'Variegata') is a compact, tropical plant prized for its striking foliage and low-maintenance nature. To ensure success, choose a spacious plant box with good drainage, as ginger roots dislike waterlogged soil. Use a rich, well-draining potting mix amended with organic matter.

Place the plant box in a spot with partial shade to filtered sunlight, as intense direct sun can scorch the leaves. Regular watering is essential, but avoid overwatering—let the top inch of soil dry out between waterings. In colder climates, move the plant box indoors during winter or protect it from frost.

Fertilize monthly during the growing season with a balanced, slow-release fertilizer to encourage lush growth. With proper care, your dwarf ginger will thrive, adding a tropical touch to your outdoor space.