The low bulrush is a versatile plant revered for its balance and flexibility, making it an adaptable candidate for various Feng Shui practices. When placed at the north end of dwellings, it symbolizes the harmonious interplay of elements, particularly water, which matches the aquatic nature of the low bulrush. Be advised this assumption follows general principles and individual results may vary.

The sweet flag harmonizes seamlessly with East-facing premises. Its upright growth signifies positive energy accruing and the propagation of harmony, a highly sought attribute in Feng Shui, especially for the East direction which symbiotically aligns with wood energy. However, personal experiences may vary emphasizing the nuanced nature of Feng Shui.

The mangrove fern aligns well with the Feng Shui principles, bestowing vigor and prosperity. As a water-dominated plant, it suits North-facing locations which represent the water element. However, its temperament may vary given the subjective application of Feng Shui, making it a versatile choice for the mindful practitioner.

The rose mock vervain harbors a compatible relationship with Southern orientations. This is primarily due to its hardy nature and blossoming tendencies in ample sunlight - a staple characteristic of South-facing scenarios. As a Feng Shui practitioner, I must emphasize that the energy flow can still be subjective, and individual experiences might vary significantly.

The dwarf chenille nurtures positive chi and exudes tranquility, suitably adding to serene spaces. When set in the West direction, it may promote peace and communication within the home - a principle in Feng Shui associated with the West's Metal element. Yet, interpretations may vary, reflecting the profound nature of this ancient practice.

The wild apricot plant presents fascinating dynamics in Feng Shui. Particularly favorable for Southwest facing spaces, it's believed to harness Earth energy abundant in this direction, fostering stability and harmony. However, as with any Feng Shui practice, personal experiences may vary, urging seekers to observe and adjust accordingly.

The parry's Agave plant signifies resilience and endurance. This, coupled with its compact form, makes it a symbol of inner strength in Feng Shui. It is moderately compatible with a Northeast-facing direction because this encompassment resonates with earth, mirroring the parry's Agave's mountainous habitat. Please note, however, that Feng Shui interpretations remain subjective and personal; viewpoints may vary.

Mexican fence post cactus has certain Feng Shui suitability due to its upright, columnar growth habit. It symbolically communicates steadfastness, resilience, and the ability to grow regardless of circumstances. It's particularly favorable facing Northeast, where earth energies abound. This can bring balance and stimulate this plant's potential, in attunement with the Feng Shui principles. However, this is subjective, depending on individual interpretation and placement within one's space.