The flamingo flower is ideally compatible with a Southeast-facing direction. This is reasoned by Feng Shui practitioners due to its association with the Wood element, signifying growth and vitality, apt for the wealth sector of Southeast. However, this understanding engenders interpretative flexibility, echoing the fluid nature of Feng Shui.

Woolgrass betokens unity and perseverance, making it a harmonious choice for a site with a North-facing direction. The North is associated with the Water element in Feng Shui, and given woolgrass's affinity with water habitats, it may strengthen this elemental bond. Such associations, however, might be subjective and vary with personal interpretation.

The jack in the pulpit flourishes in the study of Feng Shui, specifically when placed in a North facing direction. This could be attributed to the plant's intrinsic characteristics which align with the Water element, typically represented by the North. Yet, a holistic implementation of Feng Shui would consider other factors, making the jack in the pulpit a versatile element in the practice. Remember, every Feng Shui arrangement is unique and subjective.

Creeping philodendron, widely known as Creeping philodendron, harmonizes well with Eastern facing settings. This orientation tends to cultivate vibrant energies of growth and renewal, aligning with the plant's nature of spreading and flourishing. However, it's important to remember that Feng Shui interpretation can be a personal and unique experience for each individual.

The mountain hemlock carries inherent tranquility in Feng Shui practice, lending itself splendidly to promoting serene moments. It finds organic resonance when situated Southeast; this direction being associated with the growth and revitalization energies, aligns well with mountain hemlock's well-known nature of endurance and resilience. Yet, the understanding of Feng Shui remains profoundly personal, leaving space for all interpretations.

The purple fern tree aligns harmoniously with North-facing settings, often associated with the water element in Feng Shui. Its lush purple foliage resonates with the tranquility of water, nurturing peaceful energy. However, individual experiences may vary based on specific environmental and personal factors.

The bucket-of-water-tree is moderately compatible in Feng Shui terms. As a water-bearer, it seemingly conveys strong, refreshing energy. Facing East brings a certain harmony, as the rising sun's vivifying attributes resonate with the life-giving capacity of the bucket-of-water-tree, illustrating a poetic interaction between dynamic elements. However, personal experience is crucial in confirming this suggested synergy.

The starleaf begonia is amicably compatible in eastern-facing areas, reflecting a respected aspect of Feng Shui practices. This harmony is often attributed to its vibrant energy, which resonates well with the auspicious essence of sunrise. This may inspire personal growth and prosperity, though individual experiences may differ.