The ivy tree is amenable to the Feng Shui principle of grounding and stability. Its lush, green leaves foster a sense of balance and tranquillity, augmenting the positive energy in a setting. When placed in the Southwest facing direction, it is believed to enhance the aura of love and romance as per Feng Shui convention. However, such interpretations are inherently subjective, reliant on personal perceptions of the space and plant harmonics.

The drooping star-of-Bethlehem is commonly conceived as compatible with a North-facing setting. The plant's drooping growth habit symbolizes humility, thought to resonate deeply with the Water element associated with North. This allows a nuanced connection with the property's chi, fostering tranquility. Remember, though, that Feng Shui ideals vary, thus, these interpretations remain subject to personal perspectives.

The narrow-leaved lungwort is often considered to resonate with auspicious energies in Feng Shui, especially if displayed in the Northwest direction. As the Northwest is linked to the metal element, a healthy narrow-leaved lungwort can perhaps symbolize the adaptive dynamism of metal, maintaining a harmonious and balanced flow of energy. Please regard this as a guideline, not a definitive rule, as Feng Shui has a nuanced, context-specific nature.

The sacahuista subtly complements the earthy energy of the Southwest. Its linear form symbolizes growth and upward mobility which can attract positive Chi. Remember, as Feng Shui is an art of balance, arranging it thoughtfully is key. However, interpretations vary depending upon other elements present.

The texas Swamp-Mallow bears subtle, yet potent, energies, harmonizing the balance between Yin and Yang in any space. It's especially congenial to Southern-facing spaces. This direction symbolizes fire in Feng Shui, mirroring the plant's fiery-hued flowers, fostering a sense of enriched vigor and vitality. Remember, Feng Shui is inherently subjective, and these interpretations may resonate differently for every unique individual.

The japanese holly aligns respectfully with the principles of Feng Shui when placed in the Southeast direction. The reasons encompass the plant's feature of vibrant berries which suggest auspicious energy and prosperity -- qualities attributed to this compass sector. However, each setting has unique energy dynamics, so individual assessments are recommended.

The bog sage possesses a vibrant vitality, often harmonizing energies in Feng Shui practice. Specifically, its compatibility with the North-facing direction is noted, primarily due to its water-associated characteristics. This mirrors water's precise alignment in Feng Shui's energetic compass with the North, assisting in balancing the Chi flow.

The grow stick displays a delicate equilibrium with the Southeast direction, compatible due to its symbolization of persistence and vitality - traits the Southeast favors. However, one must remember that the balance of energies hinges on personal interpretation and subjective application of Feng Shui principles.