In the art of Feng Shui, the japanese chestnut is thought to have invigorating properties, making it significant for enlivening stagnant energy. When placed facing West, it's said to enhance the luck of descendants due to West's association with children and creativity in Feng Shui. However, individual experiences may vary.

The emu bush subtly harmonizes with Northwest-facing spaces. According to the principles of Feng Shui, the Northwest represents the element Metal, which is enhanced by the Earth element. The emu bush, with its earthly tones, could potentially nurture these Metal energies, offering an intriguingly balanced and calming ambiance. However, the final ambiance can vary, subject to the unique attributes and conditions of the overall space and design.

The poison Bulb is often considered suitable for Southwest-facing locations in a space. Unique Feng Shui interpretations postulate that the robust growth and resilience of this plant might mitigate negative energy (or 'Sha Chi') potentially entering from this direction. However, individual experiences and interpretations may vary widely, given the nuanced nature of Feng Shui practices.

Coelogyne orchid holds a profound yet subtle aura of tranquility and wisdom. When placed in a location with North-facing direction, it turns into an emblem of career growth and strategic endeavors. This draws upon the symbolism of the North direction, associated with ambition and water element, juxtaposed with the simplicity of the coelogyne orchid, a nod to the harmony between growth and tranquility.

The wasatch Penstemon is amenable to the northern direction. According to Feng Shui, North symbolizes water, and wasatch Penstemon's dominant colors, blue and purple, are seen harmonizing with this water element. It's a delicate interplay of factors, open to interpretation. Balanced positioning can channel this plant's energy, potentially contributing to a soothing aura and stimulating wisdom.

The pistachio displays harmonious Feng Shui compatibility, particularly when placed in the East-facing direction. This placement is rooted in the plant's prosperous growing nature that aligns with the Wood element, which reigns supreme in the East according to Feng Shui principles. However, remember this is subjective to personal Feng Shui experiences.

Crassula rogersii exhibits a subtle potency for attracting wealth, making it a favorable presence in any home or office environment. Positioned in the Southwest, it aids in inspiring stability and grounding, replicating the fundamental properties of the earth element traditionally associated with this compass direction in Feng Shui practice.

The stonecrop complements a West-facing direction. Such an orientation attracts the energy of creativity and joy due to traditions in Feng Shui practice. However, the subjective nature of Feng Shui means that this compatibility may vary between individuals.