The oxblood lily is seen harmonious when facing West, a direction associated with creativity and the younger generation. Oxblood lily's vibrant red blossoms could intensify the energetic metal element of the West, fostering an atmosphere of inspiration and optimism. Nonetheless, each individual's circumstances can greatly affect Feng Shui interpretations. Hence, personal consultations are encouraged for the most accurate assessment.

The pink butterfly orchid merges effortlessly into the harmonious flow of energy from the Eastern direction. This compatibility is likely due to its vibrant pink hues, which are said to inspire gentle, positive energies. The intricacies of Feng Shui vary greatly but this harmonious relationship hints at the possible enhancement of familial bonds or health outcomes when pink butterfly orchid is positioned facing East. Nonetheless, final alignment should depend on one's personal energy flow and interaction with this particular plant.

The yellow patrinia is often associated with harmonious energy in Feng Shui practice, due to its vibrant yellow color signifying earth elements. Placing it in the East could enhance family connections as this spot is tied to the Wood element, which is nurtured by Earth. Yet, interpretations may vary under different Feng Shui schools.

The crocus-leaved romulea plant aligns well if placed in West-facing surroundings. This is based on the Feng Shui concept that West, as the direction of Dusk, matches the crocus-leaved romulea's purported energy of rejuvenation and resilience. Yet, do remember, the resonance of Feng Shui is deeply personal and subjective.

The rock purslane harmonizes elegantly with South-facing environments. This auspicious alignment draws upon the plant's vivid colors, possibly symbolizing the manifestation of 'Fire'— a Feng Shui element thriving in the South. This effect, however, is interestingly discernible only to those with a deep understanding of the energy diagram, the Bagua.

In Feng Shui, the silver thicket has a lustrous connection with the Northwest direction. Its silvery leaves are believed to symbolize metal, an element associated with the Northwest. However, its spiky nature loosely corresponds to 'Sha Qi' (negative energy), suggesting that discernment should be applied in terms of placement to enhance the Chi flow. As in all Feng Shui practices, individual circumstances and other environmental factors should be considered.

In Feng Shui, the greater periwinkle plant is considered to harmonise with Southeast-facing orientations, as it's believed to amplify the Wood element associated with this direction. This interpretation, however, varies with individual perspectives and local customs, denoting the complex nature of Feng Shui practice.

The tall Thimbleweed is a harmonious choice for those favoring the Northwest direction, as Feng Shui principles acclaim the growth and vibrancy it brings to this sector. Its tall stature mirrors the towering mountains, invoking a sense of stability and security. However, remember that balance is key in Feng Shui, which advises not to overwhelm the space with too many dominating features.