The jordan de Assos Daffodil possesses a harmonious energy, acting as a symbol of rebirth and new beginnings. Its vibrant yellow color resonates well with South-facing areas, fostering fame and recognition. However, due to the multifaceted nature of Feng Shui, its effectiveness can vary across differing spatial and personal contexts.

The common brassbuttons manifests a certain affinity with the West-facing direction, according to Feng Shui principles. Its round leaf silhouette seemingly complements the aesthetic, nurturing natural energies of this orientation. Yet, perceive this as a guideline rather than a strict rule due to the subjective interpretations and complexities of Feng Shui.

Tumbleweed may harmonize well with a South-facing direction, often linked to the fire element in Feng Shui. This plant's ability to thrive in adverse conditions might help channel resilience and adaptability, vital for harnessing this fiery energy.

Giant hogweed holds a peculiar position in Feng Shui. The plant's towering stature may symbolize growth, strength, and prosperity. However, its hazardous nature could be a cause for caution. Placing it in the Southwest might draw upon its energies to enhance resilience and durability in your life, although its influence should be handled with respect.

The willow myrtle is believed to harmonize well with the Southeast direction in Feng Shui. This may be due to the plant's graceful flexibility, a trait that complements the element of Wood, which is strongly associated with Southeast. However, interpretations may vary based on different Feng Shui principles.

Willow-leaved cotoneaster is often seen as agreeable with feng shui due to its graceful growth habit and evergreen nature. When it comes to facing East, there's a theory that its fine-textured foliage is best able to capture energy from the sunrise, though interpretations vary.

The tall mulla mulla is viewed as neutral in Feng Shui compatibility. It doesn't inherently clash nor synergize, yet its radiant appearance could harmonize energy flow. When oriented towards the South, it may help stimulate the inherent Fire element of this direction, potentially bringing more recognition or fame. However, interpretations vary and personal experiences should always guide your Feng Shui practices.

The creambush plant represents an interesting interplay of Yin and Yang, making it a compelling choice for those seeking balance in Feng Shui. Its compatibility with the West-facing direction emphasizes metal elements, promoting clarity and resilience within the space. However, remember each placement resonates differently for individuals, so interpret as it fits your circumstances.