The bilberry cactus harmonizes best in Southwest-facing spaces, creating an equilibrium between yin and yang energies. It's sharp, geometric finger-like growth promotes active chi, enhancing dynamic interactions in this area governed by the Earth element. As feng shui is a complex art, personal interpretations may vary.

The toyon is considered moderately compatible according to Feng Shui principles. When facing East, it might interact positively with the wood elements, enhancing growth and prosperity. However, the results are significantly influenced by the individual's energy and surroundings; thus, results may appear inconsistent.

Due to its robust energy, a cork oak could be beneficial in the Northeast sector of a property. It is believed that this plant vibrates with Earth energy, which harmonizes well with the earthly substance of the Northeast direction. Please note the interpretation of Feng Shui can be individual and subjective.

The cuban royal palm is believed to harmonize well in a Northeast facing direction. This direction is tied to spiritual growth and personal insight in Feng Shui, and the cuban royal palm's upward growth symbolizes aspiration and expansion. However, implementing Feng Shui is a highly personalized process and results may differ based on individual circumstances.

The dragon arum provides a powerful, sometimes challenging, yang energy—ideal for invigorating stagnant environments. It's highly compatible with South-facing spaces, the direction related to fame and social reputation, as the dragon arum's potent energy might help invigorate this life aspect. However, its commanding presence warrants careful placement to avoid overwhelming the ambiance.

The arabian starflower harmonizes well in a Northwest-facing area. This versatile plant embodies the Metal element, resonating Feng Shui's characteristics of strength and independence, similar to the patriarchal energy associated with the Northwest direction. Its essence amplifies the beneficial flow of chi in this sector, although one's personal connection with the plant can vary the impact.

The little white soldiers potentially harmonizes with West-facing placements. Naturally, it requires low light and thrives in shaded areas, resonating with the cooler, quiet energy that typifies the West. As Feng Shui suggests, the balancing of energies is key; however, individual experiences may vary.

The walking Iris holds a radiant charisma that symbolizes renewal and rebirth in Feng Shui practice. Placing it in the East, the direction symbolizing family and health, harmonizes its growth vibrations. However, its effectiveness in channeling positive chi stays subject to observer interpretation, emphasizing the art's subjective nature.