The bitter ginger is believed to have a harmonious relationship with the North-facing direction. This plant's vigorous growth symbolizes a steady flow of prosperity, which aligns well with the Feng Shui water element associated with North. However, interpretations can vary, depending on the individual's understanding of Feng Shui principles.

Bentham's cornel seems to harmonize remarkably well when positioned facing Southwest. This might be due to its profound connection with the Earth element which is fundamentally associated with the Southwest direction. However, the subjective nature of Feng Shui implies that the results may differ according to individual perspectives and spaces.

In Feng Shui, the shingle oak aligns harmoniously with the Northwest direction. Its robust growth reflects strong leadership, closely tied to the Northwest's relation to influence and responsibility. While the tree's fortitude is generally revered, individual interpretations may vary, keeping in line with Feng Shui's inherently subjective disposition.

Stinkwort harnesses a unique, assertive energy. Compatible with Southwest-facing directions, the plant's strong aroma is believed to amplify Earth's elements, promoting stability and nourishment. Remember that Feng Shui interpretation varies, and stinkwort's compatibility may fluctuate based on personal energies and environmental context.

Kirishima azalea is regarded with adequacy in Feng Shui, specifically when facing Northwest. This direction is governed by the metal element in Feng Shui, and kirishima azalea's blooms of bright hues purportedly nurture this element. Remember that Feng Shui observations do vary and this interpretation is one broad-based view.

Arabian jasmine is considered neutral in Feng Shui compatibility. Its luscious blooms can lift the tranquility of a space, making it relevant for Northeast facing locations. The Northeast, associated with personal growth, correlates well with arabian jasmine's rejuvenating essence. However, this equilibrium largely depends upon the person's connection with the plant and the overall chi balance of the space.

The butterfly agave is believed to hold a profound resonance with the South-facing direction. It's popular in Feng Shui due to its pointed leaves that symbolize 'Fire', an element associated with the South. This, however, is subjective and can vary depending on personal interpretations or specific cultural contexts of Feng Shui values.

The takasago no okina displays promising compatibility in Feng Shui, particularly when placed in the East-facing areas of a home. As East represents the Wood element, it's auspicious to place green plants like takasago no okina here. The plant’s vibrant growth may then stimulate positive chi, promising prosperity and health. However, effects can vary depending on the unique energy makeup of each space.