Creating an ice cube garden in outdoor plant boxes is a unique and visually striking way to embrace colder climates. These gardens feature plants that can withstand frost and even thrive in icy conditions. Here are some of the best plants to consider for your ice cube garden:

1. Sedum (Stonecrop): Hardy and drought-resistant, sedums are perfect for icy environments. Their succulent leaves store water, making them resilient in cold weather.

2. Heuchera (Coral Bells): With vibrant foliage that lasts through winter, heucheras add color to your garden even when temperatures drop.

3. Helleborus (Christmas Rose): Known for blooming in winter, hellebores bring delicate flowers to your ice cube garden when most plants are dormant.

4. Pansies: These cheerful flowers can survive light frosts and brighten up your outdoor plant boxes with their colorful petals.

5. Ornamental Kale and Cabbage: Their striking leaves become more vibrant in cold weather, making them ideal for ice cube gardens.

6. Dusty Miller: With its silvery foliage, dusty miller adds texture and contrast, thriving in cooler temperatures.

7. Wintergreen (Gaultheria procumbens): This evergreen ground cover produces red berries and retains its leaves year-round, perfect for icy conditions.

For the best results, choose plants with similar cold tolerance and water needs. Pair them with decorative ice cubes or frost-resistant containers to enhance the visual appeal. Ice cube gardens are low-maintenance and perfect for adding winter interest to your outdoor space.

By selecting these cold-resistant plants, you can create a stunning ice cube garden that thrives even in chilly weather. Happy gardening!