The pampas grass is thought to hold ambiguous Feng Shui compatibility. Associated with the principle of movement, it can channel energies effectively. Favorably placed in the Northeast, it may attract earth energy, promoting stability and nourishment. However, these readings can vary greatly subject to differing interpretations and personal sensitivities.

False rhubarb is somewhat harmonious within the context of Feng Shui. Particularly, its compatibility with the Northeast direction showcases an intriguing synergy. The connection can be attributed to the wood element of false rhubarb, resonating with the Earth's energy present in the Northeast. This assertion, however, is largely open to interpretation, serving more as guidance rather than conformity.

In terms of Feng Shui compatibility, the mother spleenwort is considered potentially harmonious. Being an evergreen, it symbolizes a slow but steady growth, thus aligning with the energy fields commonly associated with Northeast-facing directions, fostering scholarly success and personal development. Yet, the knowledge of Feng Shui is complex and multidimensional, and thus this interpretation remains open to further explorations and interpretations.

Japanese photinia presents a harmonious interplay of Yin and Yang, contributing to balance in one's environment. Suited ideally towards the South, this plant aids prosperity as South is associated with fame and wealth in Feng Shui. Though interpretations can vary, japanese photinia is generally seen as a positive addition to any living space.

The lemmon's marigold exhibits a good Feng Shui compatibility due to its vibrant yellow flowers and aromatic leaves. When placed in the northeast sector, it can possibly promote knowledge and spiritual growth, given this sector's affinity with the earth element, with which the lemmon's marigold's color resonate. The final contributing factor, however, remains deeply personal and should resonate with the individual habitant's energy.

The poet's narcissus may induce balanced energy in part due to its white blossoms, representing purity and clarity in Feng Shui. Particularly when placed in the Southwest direction, it may harmonize relationships, given that the Southwest symbolizes love and partnership in Feng Shui. However, individual experiences may vary and these observations may not hold universally.

The russian olive aligns agreeably with the principles of Feng Shui. It has the propensity to invite tranquility into one's surroundings. Regarding the East facing direction, this plant cultivates positive energy particularly when positioned here. This is credited to its innate capability of symbolizing growth and rebirth in Feng Shui, attributes associated with the East. However, individual perceptions may vary.

The cardoon could be compatible with Southwest facing locations in the realm of Feng Shui. This direction resonates with Earth energy, connecting to cardoon's grounding nature. However, the interpretation of Feng Shui varies among practitioners. Appreciate cardoon in your space mindfully for possible harmonizing effects.