The mascarene island leaf flower aligns with Feng Shui principles owing to its adaptive nature. Its delicate leaves symbolize refined elegance and humility, inviting calmness into the environment. Placed in the East, it indirectly bolsters health, as the East signifies the Wood element, linked explicitly to growth and nourishment and subtly resembling the uplifting essence of dawn. However, the extent of its tangible impacts is subjective and varies with individual perspective.

The lily is considered auspicious in Feng Shui for those having North-facing entrances or rooms. This belief is linked to the plant's ability to thrive in shady conditions and it’s exquisite petals symbolizing a prosperous flow of northward energies. However, interpretations could differ based on individual perspectives and arrangements.

Soap aloe finds potent synergy with the South facing direction. The plant's succulent nature symbolizes the ability to weather challenging situations, reflecting an intrinsic aspect of Southern Energy - the Fire Element's assertiveness. However, individual experiences may vary, honoring Feng Shui's subjectivity.

Golden chain tree can potentially balance the flow of Chi in a favorable manner. Displaying this plant in the Northeast direction could fortify Earth energy as per Feng Shui, since this direction is the domain of the Earth element. However, the outcomes may vary, as each Feng Shui application must consider a range of individual and location-specific factors.

Japanese holly is considered a propitious addition to your space. Its rounded shape and compact form can generate a harmonious flow of energy, especially when placed in the East-facing direction. The East is associated with family and health in Feng Shui, and japanese holly aids in balancing and nurturing these vital aspects of life.

The woodland forget-me-not aligns well with the Feng Shui principle of nurturing and growth, particularly helpful when placed in the East direction. This guidance references the East's association with Wood energy and renewal. Despite this, remember that interpretations of Feng Shui may vary, thus this suggestion should be tailored to one's personal auspicious directions for best impact.

The sea hibiscus is seen as harmonious in Feng Shui, particularly when it faces the South direction. This belief stems from the plant's association with the fire element symbolized by its vibrant red blooms. The South direction, itself represented by the same fire element, may magnify the plant's positive energy. However, Feng Shui interpretations can vary greatly based on individual perspectives and environments.

The golden trumpet aligns seamlessly into Southwest-facing living spaces. It is believed in Feng Shui philosophy that this area lays in the domain of love and relationships. With the golden trumpet's bold yellow blooms signifying friendship and joy, the plant thus intensifies the positive energies associated with this direction. However, always consider individual environments and personal perceptions in Feng Shui application.