Create a peaceful and harmonious Zen garden by embellishing it with an eclectic mix of plant varieties. Choose plants that have a calming and soothing effect such as bamboo, Japanese maple, and moss. These plants are often used in traditional Japanese gardens to create a sense of tranquility and balance. Use rocks, gravel, and sand to create a minimalist and contemplative landscape. Add a water feature such as a small pond or a flowing fountain to enhance the sense of serenity. Incorporate elements of symmetry and asymmetry to create visual interest. The result will be a serene and meditative garden that provides a sanctuary for relaxation and contemplation.