The chittagong wood plant may indeed mesh well with a Southern-facing location, anchoring and forming an elemental balance with the fiery elements of the South. As Feng Shui practices embrace the profound yet understated relationship between a myriad of elements, the plant's soothing green colour could potentially harmonise any conflicting energies. However, each scenario is distinctive, thus the compatibility must be determined specific to each living space.

The orange Honeysuckle is deemed harmonious when located to the south. Its vibrant orange blossoms are believed to vivify the Fire element, which is intrinsically related to the southern direction in Feng Shui. Nevertheless, the orange Honeysuckle's compatibility should be assessed within its broader context to ensure overall balance and fluidity.

The tabardillo showcases an enriched potential in a South-facing setting. According to Feng Shui traditions, the South fuels Fire energy, a potent element which, interestingly, the plant transposes with its vivid, flame-like blossoms. However, the extent of this positive manifestation may vary with individual perceptions and environmental factors.

The red chokeberry is considered harmoniously compatible with the southern direction in Feng Shui, primarily for its fiery red berries. This hue symbolizes fire, an element linked to the South. But remember, the interpretations of Feng Shui are broad and nuanced; thus, individual experiences may vary.

The sulphurflower Buckwheat manifests strong Yin energy, often harmonizing well with Northwest-facing spaces. This geographical attribute is closely tied to the element of Metal in Feng Shui, which may find balance in the Earthen hues of the sulphurflower Buckwheat. Yet, individual experiences may vary, sensitively echoing the subjective nature of Feng Shui.

The date-plum promotes harmonious chi flow associated with prosperity and longevity. Embracing the eastward direction, it reacts favorably to the sunrise, underpinned by Wood Element – representing growth and upward movement in Feng Shui. Such inference remains subjective and must resonate with individual preference and interpretation.

The european Speedwell rests gently in the realm of Feng Shui compatibility. Its robust nature subtly aligns with the Northwest-facing area of your abode, as this direction represents resoluteness akin to european Speedwell's resilient growth pattern. However, remember, Feng Shui is a delicate balance of energies, and interpretations may vary.

The yellow flax is thought to be in harmony with Southwest-facing homes in the realm of Feng Shui. The plant's vibrant yellow flowers are seen as a catalyst for strong earth energy, which is dominant in Southwest directions. This pairing can foster stability and nourishment, yet interpretations vary widely based on individual dispositions and environmental factors.