The koreanspice viburnum plant is thought to have a harmonious relationship with the Eastern direction. It embodies the Wood element in Feng Shui, which is naturally compatible with East, symbolizing growth and rejuvenation. However, individual experiences may vary, reflecting the subjective nature of Feng Shui.

The pink azalea is uniquely congruent with the Southern direction. In Feng Shui, South embodies the element of fire, aligning perfectly with the pink azalea's fiery pink hues, symbolizing a balanced and powerful energy flow. However, individual interpretations and results may vary.

The prairienymph may align well with East-facing orientations, largely due to its natural tendency to thrive in morning sun and its resilience to different weather situations that often aligns with the wood element of East. However, its Feng Shui compatibility may vary depending on other specific circumstances and personal interpretations.

The bird of paradise may harmonize aptly with a South-facing residence, due to its lush, uplifting visual energy. As per traditional Feng Shui, South is associated with recognition and fame, and a vibrant plant like bird of paradise may subtly enhance these aspects. However, always consider the entirety of your space and personal intuition when applying Feng Shui principles.

In Feng Shui, the bottle gourd excels in promoting essential harmony. Ideal for a Southwest facing direction, the bottle gourd resonates with the Earth element, intrinsically connected to this direction. A tantalising balance of Yin and Yang energies is fostered, enhancing overall stability and positivity within one's abode. Please note, interpretations vary and this description promotes a common, yet subjective viewpoint.

The macademia plant is moderately compatible with Feng Shui principles. Its lush, robust growth symbolizes prosperity and abundance, which can positively amplify energy when placed in Southeast-facing direction. This selection is based on the Bagua theory in Feng Shui, associating Southeast with the wood element and wealth sector. Remember, Feng Shui interpretations can vary, and individual experience might reflect different outcomes.

The wild service tree presents an intriguing compatibility with a Southwest positioning. Acknowledged for its robust structure, this tree aligns perfectly with the earth element commonly associated with the Southwest according to Feng Shui principles. The impact is anticipated to be largely positive, creating a harmonious and balanced environment, yet this can vary based upon individual circumstances.

The copper pinwheel can be a critical part of Feng Shui arrangement. The plant’s vibrant rosettes were mentioned to usher in auspicious chi, suggesting prosperity and positivity. However, positioning is essential for ensuring harmony. When faced southwards, the plant's radiant energy is thought to mirror the sun's fiery vitality, supposedly boosting fame and reputation per classical Feng Shui traditions. Please note, these concepts can vary greatly across different schools of thought.