The european aspen is seen as harmonious within the Feng Shui dynamic, believed to promote peace and tranquillity. Particularly favoring the Northeast direction, the european aspen's vibrational energies resonate well with the earth element associated with this quadrant. However, each individual's interaction with Feng Shui remains a highly personalized journey.

The field gladiolus is considered auspicious when placed in the South direction. Its fiery red color aligns perfectly with the element of Fire typically associated with this area, potentially inviting energy, enthusiasm, and success. However, interpretations may vary from one Feng Shui practitioner to another.

The rainbow elephant bush exhibits a harmonious synergy with the Northeast direction. With its lush, variegated foliage, symbolizing growth and prosperity, it calms the body's energy (Qi). It's understood that in Feng Shui, plants such as rainbow elephant bush draw in positive energy, particularly when envisaged in the compass direction of Earth energy, like Northeast. Remember, Feng Shui is a subjective discipline, not one of rigid rules.

The longan plant harmonizes quite well with an East-facing direction. Given its symbolic representation of abundance and its deep-rooted connection to water, wind, and wood elements, it bolsters the yang energy in this direction, promoting growth and progress. However, remember, individual experiences vary due to the highly personal and subjective nature of Feng Shui practice.

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 wild cucumber plant's Feng Shui compatibility is rooted in its bold, resilient character. Representative of growth and change, it's a potent choice for individuals seeking transition. Having these plants facing North is beneficial, as North symbolizes water in Feng Shui and wild cucumber's wild nature effectively enhances this energetic flow. However, interpretations vary, indicating the mystical nature of Feng Shui.

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.