The dawn redwood is esteemed for its robust vitality. It scales new heights, syncing harmoniously with Southern facings, arguably due to the plant’s association with relentless growth, similar to the symbolisms of the South direction. However, this is open-ended in Feng Shui, highlighting the myriad interpretations and personal connections.

The wild mint suits well with East-facing environments, implying a captivating metaphysical connection. The plant's vigorous life force reverberates with the robust wood element, often associated with the East in Feng Shui doctrine. Such a synergy could enhance chi flow, albeit the interpretation varies greatly among individuals.

The globe candytuft may balance the energies of a South-facing space. As it blooms in vibrant clusters, it might signify collective strength and prosperity, key elements of the South's fire energy. However, Feng Shui results can vary individually and subtly, thus should be applied carefully.

The alpine squill is thought to harmonize with the energy flow when placed in the Southwest. The vibrancy of its blue flowers is believed to enhance love and relationships, traditionally associated with this direction. However, perception may vary, recognizing the fluid nature of Feng Shui practice.

The Feng Shui compatibility of hinoki cypress leans towards positivity, primarily when placed in Northern facing sectors. This orientation effortlessly supplements the Wood element, emblematic of growth and robust livelihood, which hinoki cypress inherently embodies. However, interpretation may vary among Feng Shui practitioners, thus rendering the final placement decision highly individual.

The porcelain berry exudes a serene and slow-paced energy, ideal for harnessing the Earth's vigor. Its compatibility with the Southwest-facing direction is favorable, as this complements the Earth element traditionally associated with this sector. The relaxing, soothing viscosity of porcelain berry's energy flows harmoniously with the maternal, nurturing vibrations of the Southwest, creating a tranquil ambiance supportive of relationships and the nurturing of ideas.

In the realm of Feng Shui, the houpara dovetails immaculately with a Southeast facing direction. It's claimed that the plant's vibrant energy harmonizes with the 'Wood' element predominant in this direction, fostering growth and abundance. However, remember that Feng Shui isn't one-size-fits-all and individual experiences may vary.

The pond Apple is a moderately suitable plant in Feng Shui. It's believed to maintain a subtle influx of energy, ideal for South-facing homes. Its natural affinity for growth near bodies of water and its ability to thrive under sunlight corresponds well with the South's symbolism of light and life. Please remember, however, the effectiveness of this Feng Shui placement might vary depending on one's personal energy and perspective.