The pistachio displays harmonious Feng Shui compatibility, particularly when placed in the East-facing direction. This placement is rooted in the plant's prosperous growing nature that aligns with the Wood element, which reigns supreme in the East according to Feng Shui principles. However, remember this is subjective to personal Feng Shui experiences.

The stonecrop complements a West-facing direction. Such an orientation attracts the energy of creativity and joy due to traditions in Feng Shui practice. However, the subjective nature of Feng Shui means that this compatibility may vary between individuals.

The desert Christmas Cactus works favorably with South-facing homes, despite its preference to indirect sunlight. This is because, in Feng Shui, South represents the element Fire, and the plant's ability to survive harsh conditions symbolizes resilience—a key Fire attribute. However, as with all Feng Shui elements, a balance must be sought for harmony.

The giant Coreopsis harmoniously blends with the element of Earth, which is prevalent in the Northeast direction in Feng Shui. This intersection of natural elements can create a soft and inviting flow of energy. However, interpretations vary and personalized consultation is advised.

Harmonizing the energies in a space, asian Rice aligns well within Feng Shui rules. Its height and slender stalks symbolize growth and perseverance, vital to any household. When placed facing Southeast, it harnesses wealth luck attributed to that sector, fostering prosperity. Always remember, Feng Shui is not an exact science but a system of balance, which varies among individuals, and asian Rice is no exception.

The crassula Muscosa Purpusii is potentially harmonious for Southwest areas. The plant embodies Earth element vibes, often attributed to this direction. However, remember that Feng Shui interpretations vary. It's advisable to consider personal intuition and external environmental influences for a well-rounded decision.

The widowscross exudes a gentle, upbeat energy, which in Feng Shui parlance, is ideal for fostering tranquility and balance. The plant significantly meshes well with a Southeast-facing direction. As this direction radiates the Wood element energy, the widowscross's inherent earthy traits could harmonize with it, promoting a smoother circulation of Qi. However, one's own energy and environment should also be considered for fine-tuning placements, as Feng Shui is a personal journey.

The shrubby hare's ear plant is a harmonious choice for Northeast-facing interiors due to its robust nature. It aligns well with the Earth element associated with this direction in Feng Shui principles, fostering an environment of stability and growth. Please interpret this advice considering the holistic nature of Feng Shui, which also involves personal intuitions and values.