The showy chinese gentian aligns best with northern-facing arrangements. This is primarily due to its desire for a cooler, less direct sunlight habitat, in alignment with the yin energies associated with the North in Feng Shui. However, precise compatibility may vary, hence it is fundamental to consult with a Feng Shui specialist or conduct personal research for a more accurate placement.

Menthol mint exudes a refreshing energy suggesting potential compatibility with Feng Shui. Particularly, when facing Southeast, the plant's inherent cooling nature can effectively neutralize the fiery energy of this direction, establishing a harmonious balance. However, Feng Shui interpretations vary, so it's best to trust your intuition when choosing where to place it.

The red mask flower exhibits considerable compatibility with Feng Shui principles. Its fiery red blooms resonate with the vibrant Yang energy, especially favoring the South-facing sector. Placing it here can stimulate robust health and good fortune. Remember, Feng Shui's potency fluctuates with interpretation, reinforcing the need to adapt to personal perceptions and environmental dynamics. As always, balance with other elements is crucial.

The dorset heath is seen as harmonious according to Feng Shui aesthetics. Its vibrant hue invokes energy and enthusiasm. Suited for the south-facing areas, dorset heath complements the fire element associated with the South. However, considering the subjective nature of Feng Shui, individual experiences with dorset heath may vary.

The annual wild rice integrates well with a Northern facing direction. This affinity resonates with the element Water, symbolized by North in Feng Shui, which is coherent with annual wild rice's aquatic nature. However, given the capricious nature of Feng Shui, such placements should merely be taken as a suggestion, not a rigid rule.

The mung bean's inherent energy, with its flexible growth and serene green hue, is believed to positively mesh with the Earth energy of the Northeast direction. However, this shouldn't be taken as an absolute faith and one should always consider the specifics of their space and energies.

In Feng Shui, the english elm is viewed as a powerful symbol of strength and endurance. It could be beneficial when placed in the Northeast direction, as Wood energy would supposedly nurture the Northeast's dominant Earth element. However, interpretations may differ given the subjectivity of Feng Shui.

Island barberry's spiky but modest nature subtly introduces a sense of protection and balance in any setting. Positioned facing East, it implies a daily awakening in Feng Shui principles, resonating perfectly with the advent of new beginnings symbolized by this orientation. However, such interpretations might vary as Feng Shui is largely personalized, and different nuances may hold more significance to different individuals.