The yesterday-today-and-tomorrow exhibits moderate Feng Shui compatibility. Its blossoming nature suggests the stimulation of both new beginnings and closing chapters, potentially balancing the energy flow. Its best placement would be the Southeast direction, known for being the abode of the wind and wood elements. This perfectly mirrors the yesterday-today-and-tomorrow's inherent ability to transition, reinforcing dynamic energy shifts. However, interpretations can vary and individual circumstances should always be taken into account before making final Feng Shui decisions.

The sweet woodruff plant, with its vibrant growth and enchanting scent, harmonizes well with the energetic nature of the East. Its deployment in this direction could contribute to an invigorating environment. However, alignment will greatly depend on individual perceptions and specific house energies.

The spanish needles is generally considered neutral in Feng Shui, with a potential to foster harmony and balance in your living space due to its adaptive growth. Facing towards East, it may align with the wood element, connected to growth and vitality, but interpretations vary. However, all Feng Shui recommendations are indeed open to personal discernment and specific conditions.

The hollow joe-pye weed aligns well with the West-facing direction. Its strong, upright growth symbolizes resilience, which compliments the metal elements traditionally associated with the West. However, remember that all Feng Shui principles are to be adapted subjectively to unique personal and environmental circumstances.

As per Feng Shui, the butternut tree is generally considered to yield positive energy when situated in the Southwest direction. This may be attributed to its properties of fostering growth and stability, which harmonize well with the earth element associated with the Southwest. However, individual experiences may vary.

Firecracker plant is traditionally associated with vibrancy and the energy of life, a symbol often harmonious with South-facing areas. The strong yang energy of the South and the fiery nature of firecracker plant could be interpreted as a supportive pair. Yet, remembering Feng Shui's multifaceted nature, we should always consider the context of each unique space.

Tree tobacco carries with it certain implications of transformation and purification. Difficult to say for certain because of the subjective nature of Feng Shui, it could perhaps correspond positively to the south, a direction traditionally associated with reputation and recognition, possibly due to its bright yellow flowers symbolizing fame. Nonetheless, individual understanding and careful application of Feng Shui principles are recommended.

The eastern hemlock subtly aligns with the tenets of Feng Shui, contributing to boosting energy levels and general well-being. Its affinity for Northeast-facing spaces results from its inherent association with wood element, which tends to invigorate growth and renewal energies, amplifying positive qi flow in such areas. Remember, the interpretation of Feng Shui can be very personal and individual experiences may vary.