In the world of Feng Shui, the eggplant's vibrant purple hue is believed to invoke wealth, making it a particularly favorable plant for those seeking financial prosperity. Especially when facing North, the water-associated direction, the eggplant's inherent characteristics are said to harmonize well, potentially driving in abundance and prosperity. However, Feng Shui interpretations can vary among practitioners, so this insight should be received as another perspective to consider.

In the Feng Shui lexicon, the watercress holds a fortuitous association with vibrations that facilitate wellness and vitality. Its affinity towards the East direction could be attributed to its inherent link to the wood element, traditionally orientated East. Precisely, the placement of watercress could potentially tap into the life-giving emissions of the morning sun, thus bolstering positive Chi flow. True interpretation, however, is invariably subject to personal perspective and prevailing environment conditions.

The okra bolsters a harmonious energy flow when placed in the Eastern sector of an area. This feng shui compatibility emanates from okra's symbolic representation of growth and prosperity which mirrors the wood element traditionally associated with the East. However, individual experiences may vary due to the subjective nature of Feng Shui.

The goat's beard exhibits emergent Feng Shui qualities that may blend harmoniously when positioned in the North. This direction is associated with water energy, resonating with the plant's inherent affinity for moist areas. However, remember that Feng Shui is a personal journey full of variability and unique discernments.

The common ninebark is often considered a versatile addition to one's space in Feng Shui practice. When placed in East-facing environments, it has the potential to positively influence family and health, due to its harmonious association with the wood element, which nurtures growth and vitality.

The lemon-scented gum is considered harmonious in a Northwest-facing direction. In Feng Shui practice, the Northwest is associated with mentor luck and relationships, and the delicate, lemony fragrance of this plant can uplift the energy (chi) in these areas. However, interpretations may vary, as Feng Shui is a highly subjective and complex discipline.

The pink trumpet tree is considered auspicious in Feng Shui, particularly when located in the Northwest direction. As Northwest is linked to the element of Metal in Feng Shui and the pink trumpet tree symbolizes growth and prosperity, the combination ticks a harmonious Feng Shui balance box. However, it's worth noting that Feng Shui interpretations can vary enormously, and what might be suitable for some, may not complement others' living spaces.

The saw greenbrier is considered harmonious in the South-facing settings. According to Feng Shui, South represents the element of fire and saw greenbrier's robust nature resonates with resilience, resembling the energy of the Southern fire. However, the effects can be subtly different based on individual spatial conditions and personal Qi.