The heartleaf bergenia is considered a harmonious element in Feng Shui, particularly when aligned with the Northeast direction. Its heart-shaped leaves symbolize love, empathy, and kindness, fitting attributes for an area associated with personal growth and self-cultivation in Feng Shui. However, like most aspects of Feng Shui, interpretation and results may vary among different individuals and settings.

The willow oak bolsters positive chi in locations with an Eastern orientation. Given its strong, supplicatory growth pattern, it symbolically upholds the family and health areas of life, aligned with East in the bagua. This interpretation, while prevalent, could change subjectively, based on individual points of view.

Love-in-a-mist may harmonize with West-facing parameters, symbolizing creative endeavors in Feng Shui. The plant's delicate hues and intricate shape align subtly with this direction's Metal element, subtly boosting energy ch'i. Yet, this interpretation may differ based on individual perception within the vast spectrum of Feng Shui.

Adam's needle is known to bring positive energy and protection when placed in the East direction, which represents the health and family aspects in Feng Shui. The plant's sturdy spiky leaves symbolize strong defense against negative energies, making it a harmonious choice for enhancing vitality and stability in these domains.

Topped lavender harmonizes well with a Northwest-facing direction, often associated with personal growth, travel, and wisdom in Feng Shui principles. Due to its healing and soothing properties, it nurtures a sense of calm and wisdom, very fitting in such a sector. However, interpretations can vary so personal intuition plays a useful role.

Caricature-plant is seemingly quite congruous within the realm of Feng Shui, especially when placed in a Westward direction. The plant's beautifully shaded leaves, oscillating between green and red, subtly symbolize the balance between life energies, thus fostering harmony. As west facing direction often embodies creativity, the vibrancy of caricature-plant might enhance this element. Mind you, Feng Shui is a personal journey, so individual interpretations may vary considerably.

The perennial cornflower showcases a supportive relationship with the East-facing orientation. This association arises due to the plant's robust resilience and bright hues, mirroring the energy and vitality accompanying the sunrise, a Feng Shui characteristic associated with the East. However, interpretation and personal aims shall influence the actual compatibility.

The trailing abutilon can harmonize with the energy flowing from the Southwest. This is largely due to its trailing growth habit which can symbolize the flow of positive energy, aligning with the earth element intrinsic in Southwest Feng Shui. However, the ultimate perception remains a personal consideration.