The simon's poplar harmonizes adequately with the East-facing direction. According to traditional Feng Shui principles, East signifies the Wood element, analogous with growth, renewal, and vigor. The simon's poplar as a tree, an embodiment of the Wood element, thus finds a natural accord in this orientation. It's crucial to understand these nuances remain open to personal interpretation and may vary with individual circumstances.

The chinese horse chestnut is a profound embodiment of balance, nurturing strong, positive energy. Facing East with chinese horse chestnut can encourage personal growth, considering the symbolic relationship between the rising sun and new beginnings. However, the effect may vary depending on personal chi and environmental factors.

The chinese tulip tree can be deemed a harmonious fit in the Southwest. Its verdant leaves and blossoming flowers stimulate the Earth element, inherent to this direction in Feng Shui. This is advantageous, yet subjective, dependent on the person's unique energy and the individual environment's needs.

The needle vine embodies energetic vibrancy, which is particularly harmonious with the energetic, fiery nature of the south-facing direction. Placing this plant in such a direction often promotes positivity and social connections, in accordance with Feng Shui beliefs. However, remember that the individual's experience may vary, and the results may not be the same for everyone.

Within the realm of Feng Shui, the flask-shaped vanda may energetically harmonize when placed in a Southeast direction. This is because Southeast represents the wood element, with which flask-shaped vanda could potentially resonate given its nature as a wood-based life form. However, as with all Feng Shui practices, subjective interpretation is key and final positioning should intuitively reflect a balance within your particular space.

The wilson's phalaenopsis aligns harmoniously with Southeast-facing settings. In Feng Shui, Southeast represents wealth and abundance and the wilson's phalaenopsis's vibrant green leaves signify continuous growth, signifying potential financial prosperity. Note however, that interpretations may vary individually based on unique personal and environmental circumstances.

The korean dogwood reflects auspicious harmony in Feng Shui, given its balanced proportions and resilient character. When placed in a Northwest-facing position, it is said to augment benevolent energies, possibly due to its association with resilient strength and unwavering growth, traits esteemed in traditional Feng Shui philosophy. However, personal interpretations and contexts may vary, thus discretion is advised.

In terms of Feng Shui, rukam imbibes appealingly subtle energies that are most harmonious when facing the Southeast direction. This harmonious sense is believed to be facilitated by the Southeast's association with the wood element and rukam's inherent capacity to channel natural growth energies. Yet, always remember that Feng Shui principles can intersect with personal experience, making the results somewhat subjective.