The sweet acacia complements Eastern-facing gardens in Feng Shui, agreeing with the perspective of nurturing growth and renewal. Its vibrant blooms invoke an auspicious energy, reinforcing the symbolic meaning of sunrise in this orientation. This Feng Shui interpretation, however, remains experiential and may vary individually.

The longleaf Speedwell inherently exhibits flexible energy, harmonizing moderately with North-facing orientations. Its adaptation to various conditions symbolizes resilience, a virtue aligning well with the Water Element associated with the North. This relation, however, is not universally agreed upon due to the subjective nature of Feng Shui practice.

The queen of the prairie is a graceful plant with high Feng Shui adaptability. It signifies serenity, enchanting charisma, and balance. As for positioning, it aligns favorably with the South direction; this orientation is associated with fame and reputation in Feng Shui. Just as the queen of the prairie enlivens its surroundings with its vibrant color and charm, South-facing placement can promote personal growth and positive social interactions. Please keep in mind though, individual experiences vary due to the highly subjective nature of Feng Shui.

In terms of Feng Shui, brazilian-plume is often seen as a symbol of prosperity and balance. Ideally suited for locations with a South orientation, this alignment might enhance the thriving vibrancy of brazilian-plume's magenta blooms, resonating with the fire element associated with South within the Feng Shui compass. Yet always remember, the 'perfect' placement is subjective and depends wholly on the harmony within your unique space.

The redneck rhody plant is perceived to be harmonious with the South-facing direction, in Feng Shui terms. This is due to its robust nature and its ability to symbolize resilience and prosperity, qualities energetic of the South direction. However, every situation is unique, and it's wise to take into account personal interpretations and individual circumstances when applying Feng Shui principles.

The weeping lovegrass is considered somewhat congruous when facing the Northwest, owing to its propensity to foster personal growth and learning. In Feng Shui, the Northwest is the area dedicated to self-cultivation and knowledge, thus quite fitting. Still, the weeping lovegrass's compatibility can be highly subjective, based on unique circumstances and personal assessments.

The fortnight lily is compatible with Feng Shui principles, primarily as its bi-color petals symbolize balance - a core aspect of Feng Shui. Importantly, North-facing fortnight lily plants can draw in wealth and career growth, due to North's association with the water element and flow of opportunity. However, individual experiences may vary, as Feng Shui is multifaceted.

The himalayan blackberry is subtly resonant with the Southwest direction. Its buoyant aura can supplement the Earth energies typically associated with this area, fostering a protective, warm ambiance. However, Feng Shui compatibility ultimately depends on individual circumstances and personal connection with the plant.