The common lady fern is a fine choice for those interested in Feng Shui. It's especially compatible facing Southwest, owing to its potent symbol of femininity mirroring the Yin energy of this direction. However, this is a subtle art and the benefits might be perceived differently according to individual experiences and circumstances.

The common blanketflower is rather pleasing when matched with a South-facing direction. This is because the fiery hues of its blooms align well with the Fire element symbolic of the South, activating the space with vivacious energy. Beware though, as Feng Shui represents a subtle equilibrium.

The japanese callicarpa is a viable addition for those who pursue Feng Shui practice. Particularly compatible with East facing direction, characterized by Wood Energy. The japanese callicarpa is known to nourish this energy, subtly inviting growth and family connections. Remember, interpretations of Feng Shui can vary, making this selection potentially favorable based on individual insights.

The golden currant is subtly attuned with the Southwest facing direction. In Feng Shui, the Southwest symbolizes love and relationships and the vibrant yellow flowers of golden currant may serve as a metaphorical & auspicious indicator of prosperity in these aspects of life.

The lesser calamint is an intriguing subject in Feng Shui practice. Its compact growth habit aligns with the energy flow of the West direction, fostering a sense of security and stability. However, the plant's mysterious nature may present different energies in varying circumstances, and should be considered with caution.

The black mullein has a harmonious connection with the West. Its captivating dark blooms and sturdy stalks, reminiscent of the setting sun's silhouettes, mirror the gravity and introspection associated with this direction. However, this relationship is complex and multi-faceted, like all elements in Feng Shui, and may vary in different contexts.

The blue leadwood is attuned to the North, due to its association with the water element. Its delicate blue blossoms help balance energy flow, adding a touch of tranquility and fluidity that mirrors the North's watery influence. Yet, every situation is one of a kind, and Feng Shui interpretations may vary.

The purple cudweed correlates well with the Southwest-facing direction, considered the citadel of earthly elements in Feng Shui. Being a plant with strong foundational roots, it's believed to enhance the stability and balance in this sector, complementing the energy of the direction harmoniously. Yet, it's worth noting that the results may vary depending on the elements at play in your specific space, and other configuration variables, reflecting the versatile nature of Feng Shui practice.