The common chokecherry plant holds strong prospects in its Feng Shui compatibility. Primarily harmonizes with East-facing placements, possibly due to its upright growth fostering the wood element, promoting health and family stability. Remember, Feng Shui interactions are unique to individual spaces and circumstances.

The wild banana is often associated with strong yang energy in Feng Shui, and could establish a potent lively aura in your environment. Ideally, it enhances spaces with a Southeast exposure, as this direction is related to prosperity and wealth, and the wild banana's robust energy could symbolically foster this growth. Remember, Feng Shui is subjective and its application may vary across different spaces.

The golden trumpet-tree resonates positive energy in Feng Shui due to its lustrous yellow flowers. This tree, when placed in the South, signifies the element of fire, which the vibrant hue of its blossoms enhances. Its potential of fostering wealth, prosperity, and brightness in personal growth is deemed desirable. However, the interpretation remains open, given the personal and multi-faceted nature of Feng Shui.

The ivy geranium holds a favorable placement within Feng Shui principles, particularly when facing East. This direction is said to represent health, and having ivy geranium can stimulate the flow of chi in this direction due to its lush vibrancy. However, one's personal chi should resonate with ivy geranium to foster beneficial outcomes; after all, Feng Shui is highly individualized.

The martagon lily offers balanced energy when placed in Southeast-facing areas of the living space. This direction is symbolically linked to wealth and abundance, possibly complementing the plant's vitality and exuberant growth. However, remember that Feng Shui interpretations can vary widely, and it's best to align your personal intention with your space arrangement.

Germander speedwell is deemed to be harmonious when oriented towards the North. This is because its small blue flowers are believed to embody the energy of water, a characteristic element of Northern direction as per traditional Feng Shui philosophy.

The japanese knotweed has a somewhat ambiguous compatibility in Feng Shui. Its fast-growing nature may symbolize quick advancement, making it seemingly suitable for the Southern direction. However, remember that its invasiveness can also be interpreted as overwhelming, which may overstimulate the fire element typically associated with South. Therefore, consider your personal energy and circumstances when choosing this plant.

The indian sedum plant is subtly harmonized with the Northeast direction in Feng Shui. The reason behind this is deeply rooted in its nature to thrive in minimalistic environments, which aligns well with the Northeastern domain, typically connected with spiritual growth and self-cultivation. As always with Feng Shui, please apply these observations with a grain of salt, as the ultimate consideration must be the overall harmony of your space.