Rose campion is considered auspicious in Feng Shui as it is believed to bring balance and harmony to its surroundings. Its vibrant colors and unique shape may positively influence the flow of energies in a space. When positioned in the South-facing direction, rose campion can help attract warmth, success, and recognition, in accordance with the Fire element associated with this direction.

The annual ragweed plant has its unique place in Feng Shui application. Observed particularly auspicious when positioned in the West, it’s thought to promote harmony. The reason for this could be ascribed to the setting sun's alignment and the plant's inherent properties matching well with the Yang energy there, even though Feng Shui is a subjective and intuitive discipline.

The harlequin flower is seemingly harmonious with East-facing locations. Symbolically, its vibrant color aligns with the rising sun, bestowing sprightly energy and prosperity. East represents growth and renewal in Feng Shui, and the harlequin flower embodies these notions spectacularly. Please remember, Feng Shui interpretations are highly personal and this should serve merely as a guide.

Traditionally, dancing ladies orchid has been considered a harmonizing element in Feng Shui practice. With its graceful dancing posture, it symbolizes a balance of energy, which is a fundamental principle of Feng Shui. When placed in the South direction, the dancing ladies orchid aligns well with the fiery element of the South, stimulating the free flow of positive chi. However, remember Feng Shui is holistic and dependant on many factors, and the effects might vary.

In Feng Shui, the winter daphne happens to resonate well with Southwest-facing homes. This traditionally symbolizes love and relationships in Feng Shui, aligning with the plant's association of being a token of affection. However, the effectiveness of this relationship varies across individuals and specific circumstances, emphasizing this practice's subjective nature.

The cathedral window haworthia exhibits a congenial affinity with a Northeast facing direction. This may be attributed to the fundamental Feng Shui principle of 'Earth' element predominance in Northeast, which harmonizes well with the robust 'Earth' energy of cathedral window haworthia. However, it requires subtle interpretation and personal judgement for specific circumstances.

The american beautyberry aligns favorably with Southwest-facing settings. Reminiscent of wealth and abundance in Feng Shui due to its vibrant purple berries, its placement can foster auspicious Chi in that direction. However, like any Feng Shui application, personal resonance remains key.

Smoketree can harmonize energy flow, making it an intriguing choice for Feng Shui devotees. Its auspicious vibe is particularly appreciated in East-facing sectors, bringing a sense of growth and renewal, symbolizing vitality and transformation. The compatibility of smoketree with East relies on respecting traditional elemental associations, and requires thoughtful placement to encourage positive, balanced chi.