The white snakeroot poses a captivating air of harmony in Feng Shui. Its strong yet flexible character can stimulate positive Chi, especially when placed towards the West. The direction may strengthen Metal energy, a symbol of precision and clarity that aligns with white snakeroot's innate characteristics, thereby enhancing balance. It's however important to remember, the compatibility in Feng Shui can be subjective and varies with personal energy fields.

The cider gum exhibit a harmonious energy when placed in East-facing areas. This is attributed to the plant's vigorous growth symbolizing strong Wood energy, which is associated with the East according to Feng Shui principles. However, interpretations of this spiritual compatibility may vary.

Garden lettuce is considered auspicious when placed in the Southwest direction. This is attributed to its association with the Earth element, which harmonizes well with such orientation, enhancing stability and growth prospects. The placement promotes nourishment and balance within the space, yet may vary subjectively for individuals.

The wishbone flower potentially harmonizes with North-facing surroundings. This direction, associated with water in Feng Shui, mirrors the wishbone flower's preference for moist, cool environments. However, as Feng Shui is unique to everyone, personal energies should be considered for optimal alignment.

The arabian coffee plant, being a symbol of prosperity in some cultures, might influence positive Chi according to Feng Shui's elemental principle. When facing Southeast, which is associated with wealth and luck in Feng Shui, it could enhance these attributes. Yet, the effect is subjective, depending on individual interactions with the plant and environment.

The kangaroo apple harmonizes well with a South-facing placement, possibly due to its inherent element of fire mirrored by the direction's energy. Yet, bear in mind, the influence of Feng Shui varies with unique individual circumstances and environment.

The yellow alder is a harmonious choice for settings that bear a Southward orientation. This is due to its vibrant yellow blooms that, according to Feng Shui principles, signify Fire energy, a natural match for the warmer Southern auspices. Its perceived positive influences, however, may not universally resonate with all individuals, introducing a note of subjectivity.

Wych elm is thought to create harmony in Eastern oriented spaces. It's believed to complement the attributes of the East's element, Wood, often associated with growth and vitality, presenting a potent combination for auspicious flow of Chi.