The greater pond-sedge brings a balanced synergy when it faces North, often associated with water in Feng Shui, reflecting the plant's natural aquatic habitat. However, like much of Feng Shui, compatibility varies based on individual circumstances and personal energy. Thus, it may not be universally applicable.

Amur silver grass exhibits a harmonious synergy with a Northwest facing orientation in Feng Shui. This connection can be attributed to the resilient nature of the plant, which mirrors the attributes associated with this cardinal direction. Nonetheless, this remains a flexible interpretation as Feng Shui is intrinsically subjective and varies widely.

The rhytidocaulon embodies robust vitality, thus harmonizing well with the Southwest sector, as this direction is typified in Feng Shui by earth elements, correlating with stability and growth. However, the unique energy of the plant might interact differently depending on individual circumstances, requiring personalized adjustment.

The fan columbine is believed to carry a subtle, positive energy often associated with relaxation and creativity. Its delicate beauty is fitting for a Northeast-facing direction that traditionally corresponds to spiritual growth and personal cultivation in Feng Shui. However, interpretations may vary, reflecting the fluid nature of Feng Shui.

The scarlet tanager african daisy plant cultivates a serene atmosphere befitting of Southern-facing quarters. The Feng Shui belief tells of vibrant colors, like the scarlet tanager african daisy's bright blooms, fortifying vitality and stirring the joyous energies of the South, symbolizing recognition and fame. Such alignment, however, is subtly unique to personal perception.

The miracle fruit is seen as having subtle compatibility with Southwest-facing homes. As per Feng Shui precepts, the plant's unique growth dynamics align symbolically with earth elements, predominantly present in the Southwest direction. It's a harmonization open to individual interpretation.

The carolina poplar demonstrates notable compatibility with northern orientations in the Feng Shui philosophy. This is often attributed to the plant's adaptability to the colder climates typical of this direction. However, the plant's influence can manifest differently, translating to unique energy flows that cater to a variety of spatial requirements. Buyer discretion is thus advised to ascertain the best possible fit.

The citron day-lily presents a harmonious compatibility with the southern-facing setup due to its association with the element of wood, a naturally invigorating force for the fire element of the South. However, the balance of Feng Shui is notably intricate and individual, hence this suggestion may not be universally accurate.