The thorny olive plant bears a complex relationship with Feng Shui due to its thorny nature. It aligns best when placed in the West as it nurtures the Metal element through its hardy, resilient qualities, mirroring the setting sun's strength. However, interpretation can vary, require a mindful approach for placements.

The false ashoka can contribute to the sense of tranquility and peace in eastern-facing settings. Eastern direction, home to the wood element in Feng Shui, resonates well with false ashoka's lush green foliage, stimulating growth and rejuvenation. However, personal experiences may vary, making it ideal to trust one's instincts when placing this plant.

The tatarian honeysuckle is a Feng Shui-friendly plant, invoking serenity with its bright, fragrant flowers. Placed in the East direction, it enhances family fortunes and health, as East represents Wood and Green in Feng Shui, both embodied by this plant. However, one's personal Chi and current home balance must be considered for optimal harmony.

The wood crane's-bill symbolises hardiness and adaptability, aligning well with the enduring energies of the Eastern direction. Feng Shui suggests this orientation cultivates the Wood element, which is believed to be nourished by the plant's innate resilience. However, these interpretations can vary significantly based on individual spaces.

The chilean wine palm, in Feng Shui context, may evoke a sense of consistency, echoing the earth element with its sturdy trunk and copious foliage. When placed in the Northeast, it's suggested to imbue a gentle nurturing energy, as this direction is commonly associated with knowledge and self-cultivation. Please be aware that Feng Shui interpretations can vary from individual to individual.

The dwarf indian skullcap holds promise in the study of Feng Shui, particularly in Northeast-facing settings. This is due to the balance of energy it may provide, as associated with the Metal element, which is characteristic of the North in Feng Shui principles. However, one should still practice discretion and intuitiveness for each unique situation.

Buffalo grass is a suitable choice for landscaping in Southwest-facing gardens due to its grounding and harmonizing properties. This native grass's adaptable nature promotes stability, which is in alignment with Earth energy - the dominant element in the Southwest direction. Thus, it may enhance the positive energy in your surroundings, while remaining respectful to the ancient practice of Feng Shui.

The riverbank grape exhibits commendable Feng Shui adherence, notably when placed in the South direction. The vigorous nature of this plant, combined with the South's representation of reputation and fame in Feng Shui, can enhance the positive energy flow. However, it's essential to heed individual contexts, considering the subjective nature of Feng Shui application.