The grass-leaved iris is generally considered harmonious in Eastern-facing spaces. This orientation represents the Wood element in Feng Shui, which bodes well with the plant's natural attributes. However, remember, Feng Shui guidelines should be adapted according to personal preference and unique environmental conditions for optimal energy flow.

The brown kurrajong holds a lush essence, vitalizing with earthly energies that can harmoniously influence the Feng Shui aspects of a space. Sedately positioned towards the North, the brown kurrajong's energies may mingle with the Water element's calming influence, thus grounding the area's Qi. Remember, actual effects may seem elusive, as Feng Shui mirrors unique, personal intuitions and experiences.

The cowpea aligns favorably with the energy flow in Southeast-facing spaces. The vibrancy of this plant is believed to foster abundance and open doors of opportunities, in harmony with the wealth and prosperity energy typically associated with the Southeast direction in Feng Shui. As with all aspects of Feng Shui, personal experience and interpretation hold a significant place.

The moldavian dragon-head plant aligns well with Feng Shui principles. It might support energy flow due to its uplifting green color and unique flowering pattern. Geographically, it's deemed suitable for South-facing arrangements. This isn't surprising, considering its natural affinity for sunshine and light, which parallels the South's symbolism of fame and recognition in Feng Shui. However, one's perception may differ as Feng Shui largely depends on personal experience and surroundings.

The british columbia wild ginger resonates well with Southwest-facing homes. As per Feng Shui principles, its heart-shaped leaves express earthy traits, aligning with the earth element of the Southwest direction. However, individual experiences may vary, as Feng Shui is a profoundly personal and subjective domain.

The lemon geranium is considered to have balanced Yin and Yang energy, making it versatile for any Feng Shui application. It particularly resonates with the Southwest direction, often associated with earth element, indirectly nurturing the growth of lemon geranium. However, individual experiences may vary.

The siberian ligularia plant tends to enhance the harmonious chi flow when placed in the Southeast direction. This arrangement might be beneficial for wealth and abundance due to the Southeast's association with the wealth area in Feng Shui. However, interpretations may vary as Feng Shui intrinsically respects individual-specific energy interactions.

The tree mallow subtly harmonizes with West-facing locations due to the resilient nature of the plant, said to mimic the undulating energy of Metal, which governs this direction. However, as feng shui is a nuanced art, individual results may vary.