The needle flower is claimed to exert its best Feng Shui effects when placed in the Eastern direction of the home. This direction is associated with health and family, and the plant's vibrant green leaves are said to represent the nurturing energy of Wood – the element predominately channelled in the East. While this alignment could invite harmony, the plant's intricate needle-like blooms might denote a more complex energy pattern that defies generalizations.

The white-flowered black mangrove is a harmonious choice for those seeking balance in their surroundings. It is favorably compatible with facing South, attributed to its strong Yang energy that resonates well with the fire element of this direction. However, remember, personal observations and interpretations apply.

In Feng Shui, blue ash carries a unique energy suitable for the Northwest facing direction. It's believed the tree's structural form and blue hues correlate well with the metal element, often associated with Northwest. This, however, might alter with different individual interpretations of Feng Shui.

Thunberg's chive is seen as concordant with Eastern facing homes, a direction associated with wood energy, family and health in Feng Shui. Its green and trove leaves enhance wood elements and stimulate growth. Still, one's aura and the interplay of elements are factors to mind. Remember, Feng Shui offers guidance, not strict rules.

The velvet tree-pear exhibits a propensity for harmonious balance when positioned in a Southeast-facing direction. This orientation enhances its growth, implying an amplification of prosperity and wealth energies, as per Feng Shui principles. However, this observation should be tailored to incorporate individual contextual factors, in line with the nuanced nature of Feng Shui interpretation.

The indian oak enjoys fair compatibility within Feng Shui. Practitioners suggest it radiates balance when positioned in the North direction of your space. This is because North correlates with the Water element, matching the indian oak's natural affinity for water, strengthening the energy flow in your environment. However, personal interpretation and adjustment are essential to attaining harmony.

The keijo maple is typically considered harmonious when aligned with the East, supposedly due to its association with growth and renewal - virtues inherent in this orientation. Nonetheless, the dynamics of Feng Shui are intricate and personal factors may influence the appropriate balance.

As an addition to any space, mexican giant hyssop embodies elements of growth, transformation, and the nurturing of vibrant energies, all subtly embedded within Feng Shui principles. Positioned in the South, mexican giant hyssop is said to invigorate the fire element of this direction, whilst its verdant foliage reflects a balanced array of natural life energies. The plant's compatibility with this direction, however, may vary and be interpreted differently according to individual Feng Shui practice.