The eastern bottle-brush grass exhibits an alluring Feng Shui compatibility, subtly channeling Qi energy in a harmonious balance. Choicely placed in the Northeast direction, it may invite academic accomplishment and wisdom energy, thanks to the intrinsic ‘Earth’ element inherent to this direction. Remember, though, Feng Shui interpretations aren't universal truths; they stem from personal perspectives, making the eastern bottle-brush grass's compatibility a subject of individual interpretation.

The arrow-head plays an intriguing role in Feng Shui, capturing sentiments of positive energy transference. Particularly compatible with East-facing locations, the arrow-head symbolically embodies sunrise, renewal and growth. This compatibility, though open to interpretation, is populated with tradition and widely cherished.

The heartleaf rosemallow is considered harmonious with the southern facing direction in Feng Shui. This is attributed to the fiery nature of the south, which energetically complements the vibrant, reddish hue of the heartleaf rosemallow's blooms. However, individual interpretations of Feng Shui can vary, making this an area of subjective consistency.

The luzon viburnum is seen as a neutral force in Feng Shui. Facing North, it may emanate an aura conducive to personal growth, given the connection of North to the water element and subsequent potential for nurturing. However, practitioners should closely monitor the plant's vitality to ensure harmony is maintained.

The ajuga ciliata plant is thought to harmonize well with a Southeast-facing location. This harmony may arise from the plant's vigorous growth nature, embodying the Wood element which is prevalent in the Southeast. However, individual experiences may vary, reflecting the fluid and personal aspects of Feng Shui practice.

Mountain garlic is thought to possess potent Feng Shui energies. Placing it in the Southwest-facing sector can increase harmony in the household, per the Bagua energy map. The reasons for this remain veiled in the ancient wisdom of Feng Shui, making the practice attractively metaphysical and capriciously definitive.

The variegated tom thumb carries positive vibrations, which harmonize well with the energy flow in a Southwest-facing area. The perfect, balanced contrast of its variegated leaves may symbolize the equilibrium of Yin and Yang, key elements in Feng Shui. However, individual experiences might vary due to personal Chi dynamics.

The simpleleaf chastetree aligns quite well with the principles of Feng Shui. It is considered beneficial when placed in a Southeast-facing direction. This is believed to stimulate the flow of positive 'chi' or energy. Being a water element plant, it strengthens wealth and prosperity. However, interpretations of Feng Shui principles may differ.