The greenfly orchid harmonizes quite subtly with Eastern-facing directions due to its invigorating, upright growth - a nod to the upright nature of the Wood element respected in Eastern Feng Shui. Yet, one should apply their intuition, for only they can sense their environment's more elusive energies most accurately.

The mountain cabbage tree compatibility with the South-facing direction is considerable. In Feng Shui, South represents the element of Fire, and mountain cabbage tree's distinctive coloration is said to ignite positive energies. However, this doesn't ensure absolute harmony as the plant's energy can be overwhelming for some. Remember, final judgements depend on individual's interaction with the plant.

The great desert spoon carries an air of resilience symbolic of prosperity. It is potentially harmonious with a West-facing home, which represents Metal element in Feng Shui. While the great desert spoon's courageous nature may align well with West's attributes of determination and rectitude, many facets of Feng Shui practice remain open to interpretation.

The sword-leaved rush is believed to have a harmonious relationship with energies flowing from the Southeast. Its slender, sword-like leaves resonate with the Wood element, typically associated with the Southeast direction. Thus, symbolically, it may aid in nurturing growth and prosperity. Remember, Feng Shui interpretations can vary.

The chaparral currant plant holds a harmonious resonance with the South direction, a beacon of warmth and positivity in Feng Shui principles. The resilient nature of the chaparral currant mirrors the South's embodiment of relentless illumination. Though, remember that application diverges based on individual circumstances and energy flows.

The chard is considered a compatible companion to the Southwest facing direction in Feng Shui principles. This is primarily due to the plant's association with abundant growth and stability, qualities synonymous with the earthy element of the Southwest. However, the interplay of energies varies with individuals and spaces, rendering absolute conclusions elusive.

The arachnis labrosa plant carries subtle energy that cultivates strength and fortitude. It accords harmoniously with a North-facing positioning as, traditionally in Feng Shui, North is considered the direction symbolizing career and life path trends. The matching energetic resonance between the arachnis labrosa and North-facing direction can, therefore, subtly enhance personal perseverance and success journey. Remember though, the Feng Shui's language is symbolic, and interpretations can vary widely.

The yellow floatingheart is generally deemed compatible with homes facing North. This direction is connected to career in Feng Shui, and water is its corresponding element, aligning well with the yellow floatingheart's aquatic nature. However, individual results may vary, as Feng Shui's workings are often subtle and nuanced.