The hemp agrimony is deemed harmonious in Northeast facing areas. This concordance can be attributed to the plant's vibrant energy that resonates with the Earth element of the Northeast. Though a sense of serenity is suggested, the mysterious interplay of Feng Shui elements requires personalized interpretations.

The golden shower tree is considered auspicious, likely to invite prosperity and is recommended for Southern exposures. According to Feng Shui, South represents fame and reputation, wherein the vibrant yellow flowers of the golden shower tree symbolize a blooming status and herald success. However, individual experiences may vary as Feng Shui's efficacy depends on personal belief and environmental factors, amongst others.

The wood spurge exerts a seemingly intriguing energy, amalgamating with the Eastern direction, home to the Wood element symbolizing growth and vitality. The plant resonates with this gentle energy, stimulating an harmonious atmosphere. However, the subjective nature of Feng Shui interpretations allows wide room for individual experiences and orientations.

The alpine sea holly plant poses a delightful harmony when placed in the West-facing areas due to its unique sculptural attributes. It is believed to vitalize the energy flow, coupled with the West's metallic element, subtly enhancing the ambiance. However, perceptions may vary due to the subjective nature of Feng Shui interpretation.

For the white correa, its character seemingly harmonizes well with the energy of the Northwest direction. This is largely due to the plant's inherent qualities of resilience and modest, understated beauty, reflecting the key attributes of the beneficial Feng Shui energy associated with the Northwest. However, the synergy could vary based on individual perspectives and specific settings, symbolizing the flexible and mutable nature of Feng Shui practice.

The caper bush carries a sturdy energy, closely aligned with the resilient nature of the Northeast direction. Its adaptability resonates with the earth element dominating this compass zone, leading to harmonious balance. This is suggestive, however, and one must observe their own experiences with the caper bush.

The tree heath is esteemed for its robust vitality in Feng Shui practice, which helps to cultivate invigoration energy. It is best placed facing East, a direction associated with health and renewal. The plant's vigorous growth can be seen as a symbolic representation of constant rejuvenation aligning with the Eastern's property. However, remember that personal experience and intuition play a crucial role in Feng Shui practices.

The white fringetree intuitively corresponds with the earth element due to its solid presence, making it ideally suited for a Northwest-facing direction–a location associated with Earth in Feng Shui. However, the effectiveness of such placement may vary extensively as Feng Shui is a dynamic practice that is subject to personal and environmental factors.