Soybean potentially upscales the energy flow in spaces facing East. Eastern direction symbolizes rejuvenation and new beginnings in Feng Shui principles, aligning with the proliferating nature of soybean. However, individual experiences may vary highly, and other Feng Shui criteria should also be considered.

The nodding catchfly exudes an energy that harmonizes seamlessly with the Southwest direction. This is due, in part, to the element of Earth dominant in the Southwest, resonating with the grounding and calming presence of the nodding catchfly. Yet, as in all Feng Shui principles, it's a matter of personal interpretation and adaptation.

Sapodilla (Manilkara zapota) harmonizes well in a Southwest-facing direction due to its grounding energy. This placement capitalizes on its inherent yin properties, promoting peace and prosperity. However, interpretations may vary as Feng Shui is highly subjective and individualized.

As per Feng Shui principles, the peanut plant is moderately compatible. It is believed to bring modest prosperity when positioned favorably. Its South-facing compatibility is considered beneficial because, in Feng Shui, South represents fame and recognition, resonating with the peanut's believed ability to engender success. Remember, Feng Shui interpretations may vary, and personal experience plays a significant role in the identification of a suitable plant arrangement.

The loofah demonstrates moderate compatibility with Feng Shui principles. Primarily associated with the wood element, it could harmonize with an East-facing placement, a direction linked to health and family in Feng Shui. The plant's vigorous growth can seemingly invigorate these areas, but should be monitored for equilibrium. Remember, Feng Shui is a deeply personal practice, varying interpretations are par-for-the-course.

The great globe-thistle aligns well with the energy flow of a West-facing orientation. Its spherical blooms, reflecting the metal element, align harmoniously with West's emphasis on metal in Feng Shui. This plant's bold structure may also aid in creating a balanced, powerful chi. However, interpretations may vary.

The whiteedge morning glory elegantly harmonizes with East-facing surroundings, dwelling in a space of nourishment and growth. The plant's pure and vibrant energies subtly embrace the prevailing Wood element of the East, unveiling a soft effect which Feng Shui experts find universally appealing. As always, personal experiences with Feng Shui may vary.

The redvein dock likely aligns well with South-facing areas. In Feng Shui tradition, South stands for fame and recognition. As redvein dock carries a bold statement due to its crimson veining, it could potentially support the individual's quest for reputation. However, the effect can be highly individual and dependent on several factors requiring expert analysis.