The spring blue eyed mary is a splendid choice for North-facing areas. Feng Shui principles value a balance of the five elements; in this case, the 'Water' element, symbolized by the North and the refreshing blue of the plant's flowers, enhances the energies of prosperity and career growth. Remember, the harmonious balance of Feng Shui is highly personal and may fluctuate as circumstances change.

Long-sheath bamboo aligns rather favorably with Feng Shui principles, largely due to its representation of resilience, graceful adaptability, and clearly defined growth direction. Facing East, the plant is likely to enhance the energy flow (Chi), being associated with sunrise, renewal, and family harmony according to established Feng Shui wisdom. Nevertheless, it’s understood that every situation is unique and such general compatibilities should be fine-tuned in response to specific placement and surrounding conditions.

The upright sedge exhibits a profound resonance with the Southwest-facing direction. This embodiment is attributed to its upright posture which is evocative of stability and balance, qualities recognized in Feng Shui as key characteristics of earth element, closely associated with Southwest direction. However, interpretations may vary given the subjective scope of Feng Shui theories.

In Feng Shui, kohlrabi exhibits particular resonance when placed in a Southwest-facing position. This is primarily linked to the Earth element, which governs the Southwest direction, complementing the grounding impact of kohlrabi. However, as Feng Shui is deeply personal, results may vary and should be tailored to individual environments.

The cane stemmed begonia is postulated to harmonise especially well with a Southwest-facing setup. It symbolically taps into the earthy energies prevalent in this direction, fostering balance and serenity. However, the interpretative nature of Feng Shui means this may not resonate with everyone's understanding or experience.

The nopal tapon harbors an intriguing energy that reverberates with the Feng Shui elements associated with Northeast, notably Earth. Its sturdy persona alone is thought to promote stability and strength, aligning well with this facing direction. However, its prickly nature may suggest conflicting energies; such is the delicate balance of Feng Shui's complex interplay.

Pincushion euphorbia is said to radiate vibrant, earthy energies, aligning well with the grounding attributes of Southwest direction in Feng Shui. Its heptagonal structure resonates with the number seven, traditionally symbolising harmony and balance, subtly echoing the Yin-Yang principle. However, perceptions may vary as Feng Shui interpretation often departs from personal intuition and circumstance.

The indian cork tree makes for an interesting subject in Feng Shui practice. It resonates well with an East-facing orientation, likely because East signifies new beginnings and the robust nature of the plant suggests prosperity and growth. However, interpretation is always layered and subjective to individual perspectives.