The star jasmine perfectly harmonizes with Feng Shui principles. It signifies good fortune and prosperity, making it a fine choice for home or workspace. This plant may be especially effective when positioned in the North direction. Water dominates this cardinal direction, which corresponds with the plant's need for regular irrigation. However, individual experiences may vary due to the subjective nature of Feng Shui.

The blue spruce is known to harmonize well with North-facing spaces. Its evergreen, coniferous attributes and deep blue tones help to reinforce the water element, thereby fostering a sense of stability, growth, and prosperity. However, individual experiences might vary, as Feng Shui lends itself to personal interpretation and adaptation.

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.

In Feng Shui, the leea can subtly harmonize energy when placed in a Southeast-facing direction. This is due to the plant's association with abundance and prosperity, energies that are naturally heightened in this direction. However, as with all Feng Shui practices, individual experiences may vary.

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.