The oriental spruce is considered to have a harmonious relationship with the Eastern direction in Feng Shui. Often associated with growth and family, placing this plant in an East-facing area could potentially uplift these aspects of life. However, everyone's energy differs and subjective interpretations are common in the realm of Feng Shui.

The tufted airplant possesses a symbiotic harmony with the southern facing direction. The reason being, its radiant red hues resonate with the fire element which traditionally associates with the South in Feng Shui. Remember, however, that each interaction can bear unique outcomes, abiding by the multifaceted principles of Feng Shui.

The dyckia bromeliad exudes a powerful yet tranquil energy, making it a favorable candidate for those practicing Feng Shui. Particularly when facing East, dyckia bromeliad can help channel new beginnings and family health, reflective of the wood element associated with this direction. While some might prefer other plants, dyckia bromeliad's compatibility should not be disregarded. However, like all Feng Shui practices, the effectiveness of dyckia bromeliad can vary depending on individual circumstances and interpretation.

The fishbone Prayer Plant aligns well with Northwest-facing spaces. As per Feng Shui principles, Northwest symbolizes mentor luck and heaven's blessings, attributes that resonate with the plant's undulating pattern and lush green hue. However, it's essential to consider individual circumstances for optimal harmony.

The showy colchicum shows potential compatibility with Feng Shui, owing to its invigorating bloom and deep hue. Positioned towards the South, it might stimulate recognition and fame, as the fire element pronounced in this region compliment's the plant's fiery energy. Nevertheless, personal experiences may differ and adapting to individual circumstances is suggested.

The amazon lily is considered to have a receptive yin energy in Feng Shui. It fosters tranquillity and introspection, which makes it ideal for Northern-facing setups. In the Feng Shui compass, North symbolizes water element and quiet calm, synergizing well with the calming yin energy of the amazon lily. However, as this is subjective and varies among interpretations, it's advised for individuals to use personal intuition with Feng Shui practices.

In Feng Shui, aaron's rod is correlated with ascendant energy and vibrant growth, mirroring the South direction's fiery essence. There is an aligning synergy that, while hard to quantify, is quite potent. However, every scenario differs and one's intuition is the final determinant.

The rose pincushion cactus embodies steadfastness and resilience, making it a suitable Feng Shui companion for those seeking to foster such qualities. Facing Northeast, the plant can reinforce your personal development and spiritual growth, given this direction's connection to self-cultivation in Feng Shui teachings.