The cusp blazing star shows a commendable affinity towards the South-facing direction. The strong yang energy radiating from the South harmoniously interacts with this plant's inherent vibrancy, promoting balance and prosperity. However, interpretations may vary as Feng Shui is indeed an intricate and highly personalized art.

The marsh gladiolus associates harmoniously with a North-facing direction. Given the plant's elegant characteristics, it is inferred to instill a sense of tranquillity typically linked with the Northern aspect. Nevertheless, individual Qi interpretation may vary, thus, it's suggested to make adjustments based on personal resonance.

The turtle grass is largely compatible with Feng Shui principles. It is best placed in a North-facing direction, arguably due to its water-based nature which aligns with the Water element of the North. Its influence may promote tranquility, clarity and flow of harmonious energies. However, individual outcomes may vary, reflecting the unique interplay of energies in each setting.

The juno beardless iris carries a unique energy signature in Feng Shui practice. It is thought to harmonize best with a North-facing position. This direction, representing element Water, resonates with the juno beardless iris's water-retaining abilities and its capacity to thrive in cooler, northern climates. Remember, though, that Feng Shui interpretations can vary, so personalize to your intuition and circumstances.

The gather multiple plant embodies the harmonious blend of yin and yang, vital for maintaining equilibrium in Feng Shui. Ideally placed in the West, it is said to enhance the Metal energy intrinsic to this direction, promoting clarity and tranquility. Being soothing to the eye, it organically contributes to a balanced environment. Though, it's key to remember that Feng Shui interpretations may vary, and individual experiences should guide your plant placements.

The purple rice boasts shades of a vibrant purple hue, which is traditionally tied to spiritual awareness and soothing energy in Feng Shui. This makes it potentially advantageous for a South-facing environment that cherishes passion and recognition. However, it is crucial to remember that Feng Shui is primarily subjective and dependent upon individual experiences.

Bridge penstemon resonates with profound energy, harmonizing well with structures facing East. Its radiant flowering nature symbolizes rebirth and bright future, making it suitable for welcoming the rising sun. While widely accepted in Feng Shui, personal experiences with bridge penstemon may vary.

The tree aeonium is generally compatible with a west-facing environment. Its robust nature and bright appearance harmonize well with the energies of the setting sun, subtly boosting the vibrancy and liveliness of the location, fostering a state of balance and tranquility that's congruous with traditional Feng Shui principles.