Creating a black-and-white themed outdoor plant box is a stylish way to add contrast and elegance to your garden. To achieve this monochrome look, focus on plants with striking foliage, flowers, or textures that stand out against each other. Here are some of the best plants to consider:

1. White Hydrangeas – These lush blooms provide a soft, snowy contrast against dark backgrounds.

2. Black Mondo Grass – With its deep, almost black foliage, it’s perfect for grounding lighter plants.

3. Dusty Miller – Its silvery-white leaves add a metallic sheen and texture.

4. White Alyssum – Delicate white flowers create a cascading effect in plant boxes.

5. Black Coral Bells – Dark purple-black leaves offer a dramatic backdrop.

Pair these plants with neutral-colored containers or dark mulch to enhance the monochrome effect. Opt for low-maintenance varieties to keep your outdoor plant box looking pristine with minimal effort. Whether you prefer bold contrasts or subtle gradients, a black-and-white theme brings timeless sophistication to any outdoor space.