The loquat exhibits an intriguing compatibility with Southwest-facing directions. This may be attributed to its strong symbolic ties to perseverance and protection, aligning well with the resilience and relationship elements of the Southwest according to Feng Shui. However, perspectives and interpretations can vary, remaining subject to an individual's unique experience and understanding.

Red frangipani is considered auspicious in Feng Shui due to its vibrant color and fragrance, said to attract positive energy. When placed in the South-facing area of a space, it may contribute to enhanced recognition and more harmonious relationships, as South represents the Fire element, with which the red color is associated.

Oriental arborvitae is considered to be harmonious with the East-facing direction, as it is known for fostering growth and auspicious energy. This plant's robust and evergreen characteristics are believed to symbolize longevity and resilience, which may enhance the flow of the vital Qi energy in an Eastern-oriented section of your space. However, it's important to remember that Feng Shui is highly individualistic and subjective, so results may vary based on the specific environment and personal preferences.

Common myrtle could potentially harmonize with the Southwest direction, often linked to the Feng Shui Earth element. The plant's reflective energy might help channel positivity and vitality. However, Feng Shui experiences could greatly vary, deepening the connection or causing energies to fluctuate in uncertain ways.

In Feng Shui terms, blue jacaranda aligns harmoniously with North-facing environments. The resplendent blue hue of blue jacaranda's blooms is believed to resonate with the Water element, which corresponds with the North direction. However, as Feng Shui interpretations are deeply personal, this could vary among individuals.

Muscadine is considered to be moderately compatible in Feng Shui. Positioned in the Southwest, it encourages growth and prosperity due to its robust nature and the association of the Southwest direction with the earth element. However, placement must be done thoughtfully to ensure energy balance and harmony. Remember, Feng Shui translations can be subjective and personal experiences may vary.

The wallflower holds commendable compatibility in Feng Shui, exuding an aura of vibrant energy. With its fiery colors, it complements a South-facing direction, the element of which in Feng Shui is Fire, symbolizing recognition and fame. Yet, every interpretation of Feng Shui is clouded by the observer's personal lens.

Grey-leaved euryops is often perceived as harmoniously suited for dwellings facing South. The reasoning behind this lies in the South's alignment with the fire element. The grey-green hues of grey-leaved euryops's foliage contrast with the fiery symbolism, thereby providing a delicate balance of energy.