The shieldleaf rodgers flower is considered compatible with Feng Shui principles due to its soft features and tranquil vibes which are believed to harmonize energy flow. Particularly, its placement in the Northeast area can potentially support wisdom and personal growth in an inconspicuous manner; the water-like leaf structure resonates with the Earth element that dominates this direction, resulting in a subtle balance.

The pycnantha cactus subtly embodies the principle of 'Yin' in Feng Shui, suggesting a gentle power within its thorny appearance. Its compatibility towards the South is worthy of note; this is possibly due to the plant's naturally hardy and fiery resilience, echoing the attributes of the fire energy (Li) traditionally associated with this direction. Such correlations should be contemplated with openness, as interpretations might vary.

In Feng Shui, yellow fritillary symbolizes growing strength and perseverance. It is generally compatible with the Southeast-facing direction because this region resonates with the Wood element. Yellow fritillary, with its vibrant yellow blossoms, complements this orientation by balancing the energy flow. Please bear in mind, however, that Feng Shui interpretations can vary based on individual perspectives.

The shandong maple has a welcoming nature that resonates well with the Eastern direction, which represents health and family in Feng Shui. Its lush leaves symbolize steady growth and rejuvenation, fostering positive energy or 'chi'. The final effects, however, remain subject to personal interpretation and circumstances.

The fishtail swordfern blends precisely with the Eastern facing direction. In Feng Shui, East is synonymous with the wood element, and this plant, being a symbol of growth and adaptability, complements this energy. However, perceptions could vary depending on individual Feng Shui interpretations and settings.

The climbing aster bodes well for East-facing spaces within Feng Shui, considered the family and health sector of the house according to the Bagua map. The plant's climbing growth, a sign of robust vitality, may foster positive energy flow enhancing familial relationships and overall wellness.

According to Feng Shui principles, the dwarf solomon's seal has a harmonious relationship with the Northwest directional energy. Its mellow growth nature engenders steadiness, a trait that resonates with the foundational energy embodied by the Northwest. However, as in all Feng Shui application, individual experiences may vary.

The amur maackia is considered to have a moderate compatibility with Feng Shui principles. Being a sturdy plant, it symbolizes endurance and stability, favorable for East-facing spaces as it aligns with the wood element in Feng Shui, which is dominant in the East. However, the interpretation varies, and the amur maackia's influence should be intuitively assessed in each unique environment.