Bridalwreath spirea can be an intriguing addition to spaces with a Northwest facing direction. Its white, radiant blooms mirror the metal element prominent in the Northwest, fostering a promising balance of energies. Remember, as with all Feng Shui principles, the impact of this union is highly subjective and dependent on the broader context.

The jelly bean plant is harmonious in a Southwest-facing setting. As per the principles of Feng Shui, Southwest is governed by the Female Earth element. Jelly bean plant, with its resilient nature and grounding color palette, subtly endorses the nurturing energy of the Earth element, thus fostering serenity and stability.

Black-eyed susan is considered a favorable addition to gardens with a South-facing orientation. This sunny direction is believed to intensify the plant's naturally vibrant energy, enhancing the space's flow of positivity. However, its effect on a specific space may ultimately depend on personal sensitivities and surrounding factors.

With the enduring strength in its form, the bush lily represents resilience, particularly favorable when placed in a Northwest-facing direction. This area, being with the Metal element in Feng Shui, benefits from the bush lily's presence since the cycle of the Five Elements links Earth (plant life) in a productive bond with Metal.

The hall crabapple is a reasonable match for a Southwest-facing environment. This owes to the element of Earth which rules Southwest in Feng Shui, harmonizing well with the hall crabapple's symbolism for adaptability and renewal. However, individuals influences can affect the energy flow. Therefore, personal interpretations are encouraged.

The matchstick plant aligns agreeably with Feng Shui notions of tranquility and calmness. Its upright growth signifies reaching for aspirations and its vibrant color can enrich the life energy, or Chi, of the environment. As with North-facing placements, the matchstick plant could amplify career prospects due to the plant's inherent property to stimulate motivation and progression. Yet, as Feng Shui is a subjective art, experiences may vary based on individual circumstances.

Common bugle is believed to carry strong grounding energies that correspond to the Earth element. As it favors partial shade, it harmonizes well in the East-facing direction, associated with the Wood element, enhancing stability. However, common bugle's influence may vary depending on individual perspectives and surrounding elements in the space.

The moroccan toadflax offers notable Feng Shui compatibility, particularly when placed in the Southeast. It's believed this direction nurtures the plant's growth while promoting balanced energy. But remember, Feng Shui and its interaction with individual plans hold a certain degree of subjectivity.