Noni holds a unique affinity for North-facing settings, often considered emblematic of the Water Element in Feng Shui. This combination potentially enhances prosperity and growth energies, thanks to the inherent vitality of the plant itself. However, individual experiences might vary, as Feng Shui is a deeply personalised practice.

Black cohosh's compatibility in Feng Shui is quite compelling. The plant's energy harmonizes well in a northern direction because black symbolizes Water Elements in Feng Shui, and Water is compatible with North. This doesn't guarantee success in every context, reflecting the complex, multi-faceted essence of Feng Shui.

In the realm of Feng Shui, the chickasaw plum is revered for its positive energy, harmonizing with the Eastern direction. This direction, symbolic of health and family, resonates with chickasaw plum's vibrant blossoms, reflecting a nurturing energy. There are, however, varying interpretations and outcomes tied to unique spatial configurations.

The cup of gold vine is greatly harmonious with Feng Shui principles, given its bold, lavish blossoms that symbolize abundance and prosperity. South-facing placement is particularly beneficial, as the plant thrives in direct sunlight, and in Feng Shui, the Southern direction is closely associated with fame, recognition and the element of fire which encourages growth and advancement. An immensely radiant plant, cup of gold vine can be unmatched in transforming energy flows.

The chinese cucumber is unique in its harmonious affinity with elements of water and earth, aligning impeccably when placed in the North direction. The Northern placement encourages its intrinsic energy, fostering auspiciousness and balance. However, like all facets of Feng Shui, interpretations and adaptability can vary, bearing individual fortunes. Do consult with a Feng Shui expert for tailoring to personal circumstances.

Scotch thistle harbors a robust energy that resonates with active growth, making it a compelling choice in Feng Shui. When placed towards the Northeast direction, it may help tap into the Earth element, possibly fostering stability and wisdom. However the interpretation of Feng Shui is multi-layered and fluid, thus caution needs to be exercised in this regard.

The alpine snowbell is thought to resonate harmoniously with West-facing environments, due to its affinity for cool, shaded habitats in its native environment. Keep objectivity in mind, as Feng Shui interpretations can be deeply personal and vary considerably.

Feng Shui compatibility of large-leaved avens aligns favorably facing South. The plant's lush leaves imply a connection to the Fire element, with South being its corresponding direction in Feng Shui. Remember, Feng Shui is subjective and large-leaved avens's compatibility might vary based on personal understanding.