The queen Victoria Agave plant is well-aligned with the Western Feng Shui element of Metal due to its sturdy, symmetrical nature. When placed in the West-facing areas, its near-perfect glabrous leaves reflect the discipline and orderliness associated with the Metal Element, promoting a sense of stability and grounding in the environment. However, outcomes might vary depending upon other harmonies at play.

The swiss stone pine is considered harmonious if facing East. The reason being, East symbolizes wood according to the Feng Shui element cycle, and it is believed to nourish the plant's inherent energy. However, personal feelings and intuition always play a part in Feng Shui, so your individual experience may vary.

The monarch fern harbors a unique blend of vibrancy and tranquility, making it a suitable choice for East-facing abodes. The East is associated with family and health in Feng Shui, and this plant's vigor may potentially rejuvenate these aspects while maintaining an unspoken balance.

The expanded lobsterclaw plant, with its distinctive, elaborate blooms, symbolizes prosperity and wealth in Feng Shui philosophy. It is particularly compatible with the Southwest direction due to its intrinsic 'earth' nature that favors this particular quadrant. Still, the overall effectiveness is interpretive, often fluctuating based on personal energy and environment.

The bristly greenbrier carries an energizing aura, making it a decent choice for Feng Shui enthusiasts. Its compatibility with a West-facing position can be attributed to its resilient nature, symbolizing balance and sturdiness that aligns well with the Metal element of the West direction. However, as Feng Shui interpretations are highly personal, harmonization outcomes may vary.

The beach naupaka is often perceived in Feng Shui as a harmony enhancer, with a particular affinity towards the Eastern direction. The Eastern orientation is symbolically linked with growth and renewal, attributes that echo the resilience of the beach naupaka. However, individual experience and interpretation of Feng Shui principles may differ, thus it's prudent to observe repeated patterns in the plant's placement.

The arrowleaf balsamroot plant is suitable for those seeking to balance their Feng Shui energies. Placing this plant in the Southwest direction could enhance the element of Earth, which underpins love and relationships. However, individual experiences may vary.

The purple cyclamen carries an auspicious energy, making it fitting with the Feng Shui principles. It is attuned to the South-facing direction, mirroring its inherent fiery attributes, potentially promoting growth and abundance in life. However, individual experiences with purple cyclamen may vary, as Feng Shui concepts are holistic and subjective by nature.