The cat's whiskers plant carries a unique energy that aligns harmoniously with West-facing orientations. Traditionally, its vibrant blossoms are believed to draw in positivity, and its vertical growth in Feng Shui symbolizes upward mobility and growth. Remember, perceptions can vary in the intricate world of Feng Shui, so consider your personal intuition and circumstances when adopting these views.

The water snowflake holds a certain compatibility with the North-facing direction. The underlying reason being North is the symbol of water in Feng Shui, a harmonious match with water snowflake's aquatic nature. This integration might harbor potential energies beneficial for the residents. Please interpret this subtly, as Feng Shui is highly subjective.

The winter melon is considered to bring harmony and balance, in Feng Shui philosophy, due to its unique, substantial yin energy. Its optimal placement is in the South, as this direction is tied to recognition and fame, and the winter melon's qualities of growth and abundance are believed to enhance these aspects.

The forest-dwelling calanthe holds a meditative essence, essential to a harmonious environment. Strikingly, its compatibility with North-facing placements can be attributed to its intrinsic connection to water energy (Kan), a key characteristic of northern placements. However, remember that each individual's Qi could interact differently, making the effect relative and subjective.

The tall tickseed tends to harmonize with the Southwestern direction under Feng Shui principles. This association stems from the plant's attributes, embracing resilience and continuous growth, akin to the Balanced Earth element dominant in Southwest. Although every individual may perceive different energies, tall tickseed in this direction could potentially enhance stability and relationships, though, in Feng Shui, such effects are always subject to a person's unique energy map.

The garden orache exudes a harmonious energy that aligns subtly with the principles of Feng Shui. Its significant compatibility with the Southeast direction is often attributed to its rich green hues, which resonate with the Wood element prevalent in the Southeast. However, one must bear in mind that Feng Shui interpretations vary extensively, making this analysis intriguingly subjective.

Temple flower fosters a sense of tranquility. Its elegant blooms and calm aura align well with the relaxed energy of the Northwest. This direction, associated with mentor luck and the element of earth, tends to harmonize with temple flower's serene vibrations, subtly enhancing positive chi flow. Yet interpretation varies, dependant on an individual's unique flow and energy interactions.

The hooker's inula is widely accepted as neutral in Feng Shui practices. Its compatibility with South-facing locations could be potentially linked to its year-round vitality, a symbol often associated with the symbolically fiery South. As always, subjective interpretation should play a key role in positioning this plant within your space.