The common buckthorn is seen as moderately suitable in Feng Shui. Its robust attributes can imbue spaces with a sense of stability. This plant may thrive when aligned with the North, a direction associated with water in Feng Shui. The common buckthorn's inherent resilience can metaphorically 'feed' this energy, fostering balance. However, subjective interpretation is key to any application of Feng Shui principles.

The watch chain exhibits adequate compatibility within Feng Shui principles. It flourishes exceedingly well in the Southwest direction because this area signifies Earth element, congenial with the plant's grounding nature. However, interpretation can vary, appending it to one's unique understanding of Feng Shui harmony.

Japanese barberry can be a versatile addition to your space, harmonizing with the flow of energy. When placed in the East-facing direction, this plant may enhance family connections and support overall health, as it resonates with the Wood element, promoting growth and nourishment.

Redclaws is often associated with a harmonious energy in Feng Shui, making it a desirable addition to your garden. Its suitability for a South-facing direction is attributed to the vibrancy of its red flowers, resonating well with 'fire' element denoted by this direction. However, interpretations may vary based on individual's personal energy and other Feng Shui principles.

The bitter dock shares a reasonable affinity with Feng Shui principles, particularly when placed in North-facing settings. The plant's robust disposition echoes the element of water, associated with the North. Moreover, its capacity to adapt brings a sense of sturdiness and resilience, emulating the mysteries of the Northern direction. However, its interaction with Feng Shui can be subjective and might vary based on personal experiences and individual interpretation.

The canterbury bells is considered harmonious with the East-facing direction in Feng Shui beliefs, likely due to its sunlight requirements aligning with morning sun exposure. However, the plant's compatibility may be nuanced, reflecting the complex interplay of nature and individual Feng Shui conditions.

Arborvitae is often considered favorable in Feng Shui due to its evergreen nature and auspicious symbolism. When placed in the East direction, it may promote growth, family harmony, and good health, as this direction is connected to the Wood element and symbolizes the nurturing forces of a thriving family life.

The egyptian starcluster is conducive to elevated energy levels, exuding a resonant vitality well-suited for a south-facing setting. The alignment of this direction with the element of fire in Feng Shui infers an interaction stimulating an auspicious flow of Chi. However, personal experiences may vary, as Feng Shui interpretations are subjective in nature.