The petty spurge embraces an air of healing and protection, thus dovetailing harmoniously with the Bagua area of Southwest, a zone synonymous with love and relationships. This association lends petty spurge a compatible aura in the Southwest; a plant bridging earthly love with the spiritual realm, adding an enigmatic charm to your surroundings. However, Feng Shui's applicability is subjective; it's urged users perceive this with a grain of salt.

The prickly pear embodies perseverance and resilience, well-aligning with people seeking stability and growth. Its compatibility is most flourished when facing South, the direction associated with the fire element. Prickly pear's characteristic ability to flourish in dire situations symbolizes spurring positivity amid challenges, resonating with the South's Feng Shui values.

The purple woodsorrel has an affinity with the Southern direction, traditionally linked to recognition and fame in Feng Shui. It's believed that purple woodsorrel's vibrant purple hues can stimulate the fire element, which can boost favorable energies and prosperity. However, interpretations can vary and implementation can yield diverse results.

The common corn-flag subtly exudes Yang energy which complements and enriches the Yin energy prevalent in the North. However, as Feng Shui's essence is the fluid balance of energies, this relationship isn't rigidly defined. It remains a subjective matter that necessitates individual interpretation and analysis.

The canary island date palm is considerably harmonious with East-facing homes according to Feng Shui. Its robust vitality and resilience could be thought to facilitate robust Chi flow and counterbalance any unwanted, negative energy. This is subjective, however, as individual experiences and interpretations may differ.

The rutabaga is copacetic with the Southwest direction, often associated with Earth elements. As this vegetable is tethered deeply into the Earth for nourishment, it symbolically aligns with the underlying energy of the Southwest. However, it's essential to consider personal and spatial elements when considering Feng Shui applications.

Yellow flag radiates cheerful energy and can aid in balancing the elements within a space. Particularly, this plant has a compatible relationship with the Southwest direction. The vibrant yellow color of the yellow flag is believed to symbolize earth in Feng Shui, which is harmonious with the Southwest. However, its influence varies depending on the energy flow in the specific environment.

The spiny fiddlewood exhibits a stimulating energy useful in Feng Shui practice. It's alignment with the East, an area representing wealth and family, hints at the wood element's strengthening influence. However, perceptions of Feng Shui can vary, making the plant's compatibility subject to personal interpretation.