The alpine leek harmonizes well with the Southeast direction, which in Feng Shui, is governed by the element of Wood. Its lush greenery emulates the energy of growth, while its tall stalks seemingly reach towards the southern winds, creating a sense of harmony and balance in the space. Hence, alpine leek could invite prosperity and vitality when positioned in Southeast. However, individual experiences may vary as Feng Shui is highly personalized.

The japanese weigela is harmonious when placed towards the South, mirroring the Feng Shui tenet of fire energy, which resonates with its fiery blossoms. However, interpretations my vary, reflecting the complexity and fluidity of Feng Shui principles.

The purple meadow-rue is a suitable plant for East-facing spaces, primarily due to its vibrant purple hues. Traditionally in Feng Shui, the East symbolizes growth and health, which aligns with the purple meadow-rue's connotations of vitality. However, the ultimate Feng Shui compatibility is subject to the individual's unique energy and the harmony of their environment.

The inca-peanut embodies harmony and equilibrium, often associated with Southwest facing directions. Its totality underlies the balance the Feng Shui doctrine preaches and hence, can project a soothing effect in a Southwestern home setting. However, as Feng Shui is highly personalized, specific compatibility might vary.

The european meadow rush aligns subtly with the mystic principles of Feng Shui. Positioned in the gentle energy sector of Northeast, the plant finds favorable resonance. This is arguably because the resilient nature of the european meadow rush mirrors the fundamental Feng Shui essence of grounding stability, prevalent in the Northeast direction.

The wilson's spruce acts as a conduit for prosperous energy, harmonizing poorly with the Northwest due to its wood-like properties conflicting with the earth element of that direction. Please remember Feng Shui interpretations can vary widely.

The golden brodiaea resonates with Eastern philosophy due to its vibrant, growth-oriented nature. Its golden flowers seem to embrace the rising Sun, symbolically associated with the East. However, interpretations may vary, as in Feng Shui, the harmony between elements is ultimately subjective and personal.

The echeveria 'J.C. Van Keppel' plant, in the realm of Feng Shui, has an adaptable energy, allowing it to harmonize with many environments. Positioned in the Southwest direction, it is believed to exude a vibrant, nurturing energy, as this direction symbolizes earth elements, and the echeveria 'J.C. Van Keppel' bears earthly tones. However, as Feng Shui is a highly subjective field, one's personal experiences and feelings towards the plant should be the final consideration.