Bigroot geranium is considered mildly harmonious in Feng Shui terms due to its overall rounded shape and low stature, encouraging a sense of balance and stability. Particularly when facing West, it symbolizes endurance and longevity, as West is associated with the metal element in Feng Shui – a sector symbolizing resilience. Its compatibility, like all things related to Feng Shui, is quite complex and may differ based on various personal and environmental factors.

The asiatic dayflower adheres to the tenets of Feng Shui, offering balance and harmony to environments. It is particularly suited to the East aspect of a space, which signifies health and family in Feng Shui. The asiatic dayflower's dual-tone blossoms imbue duality, supporting the concept of Yin and Yang, but compatibility interpretations may vary based on individual Feng Shui traditions.

Papyrus sedge is considered a symbol of strength and endurance in Feng Shui, harmonizing particularly well in environments aligned towards the North. Reasonably, the North represents water in Feng Shui, which papyrus sedge naturally thrives in, fostering a fortuitous bond. However, individual Feng Shui experiences may significantly vary.

Woodland sage holds significant promise in enhancing the positive energy of an East-facing space. Its vibrant colors stimulate growth, while the strong wood element encourages harmony and stability. This combination fosters an atmosphere conducive to nurturing relationships and career aspirations.

The square-stalked willowherb aligns harmoniously with the Southwest direction, resonating with the earth element. This is because, in the Feng Shui philosophy, plants are believed to signify growth and the direction Southwest nurtures community ties and relationships, matching the free, proliferating nature of this plant. However, interpretation and experience may vary among individuals.

The wax ivy embodies a paradoxical serenity, aligning to Feng Shui principles of balance and harmony. Its presence in the Northeast direction augments knowledge and wisdom, harmoniously synchronized with Earth element there. Remember, Feng Shui complexities vary, and wax ivy interaction may yield diverse outcomes.

The sawtooth blackberry aligns well with South-facing environments, as it embodies the element of Fire symbolically. This element epitomizes growth and rejuvenation, mirroring the sawtooth blackberry's resilience and potential for proliferation. Nevertheless, the plant's influence can vary subjectively and should be applied respecting personal interpretations of Feng Shui principles.

The shrimp plant echoes a prevailing harmony when positioned in the South, subtly enhancing the Fire element inherent to this direction. Its lush green leaves pave way for continual growth and abundance, while its vivid blooms invoke recognition and fame. Please note that interpretations vary in the realm of Feng Shui.