The karoo rose aligns well with Feng Shui principles due to its simple geometry echoing balance and harmony. As for its placement, the karoo rose matches ideally with a Northwest facing direction. This is because of the Northwest's association with travel and helpful people, mirroring the adaptability and resilience karoo rose demonstrates in its natural habitat. These correlations, however, can vary based on subjective interpretations of Feng Shui.

The echeveria ice green is mildly compatible with Feng Shui, its vibrant hues infusing energy into the environment. Facing Northeast, it's thought to improve concentration due to the Earth element associated with this direction, enhancing mental clarity. However, its interaction with Chi remains a personal experience and is open to individual interpretation.

Himalayan tree cotoneaster appears to blend seamlessly with the subtle energies in a northwest-facing aspect. This affinity may be attributed to the sturdy nature of the plant, symbolizing the Earth element typically associated with the Northwest in Feng Shui tradition. Please note, compatibility may vary as perceptions and interpretations of Feng Shui differ.

The great chinese rhododendron aligns harmoniously with the South-facing direction. This is due to the plant's grand and vibrant blooms symbolizing strength and prosperity in Feng Shui, akin to the blazing energy of the South. However, interpretations may vary, as Feng Shui is a subjective and intensely personal practice.

In Feng Shui, the karanda is often believed to bring about steadiness and serenity due to its consistent growth cycle. When placed facing East, its bold, dark fruits can potentially amplify the energy of sunrise, setting a tranquil but dynamic tone for the day's outset, though interpretations can certainly vary.

In terms of Feng Shui, leavenworth's eryngo tends to harmonize well with the Southeast direction. The plant's vibrant purple blooms symbolize wealth and prosperity, aligning with the Southeast's correspondence to wealth and abundance in Feng Shui's bagua map. Yet, interpretations can vary with personal experience and intuition, inviting a myriad of possible alignments within personal space.

The parry's primrose shares an encouraging Feng Shui harmony when oriented to the North. Its lush bloom mirrors the affirming energy of the North, traditionally associated with career progression and personal growth— making the plant a potent emblem of success and advancement.

With its all-season appeal, the running serviceberry holds an aura of serenity and grace, subtly fueling positive Feng Shui energy. It has a noteworthy symbiosis with a Northwest-facing position due to its characteristic of fostering growth in challenging conditions, resonating with the Northwest's connection to self-improvement and personal development. As always, one's personal Feng Shui should take precedence, as this is merely a guidance.