The signet marigold is frequently associated with brightness and positivity, potentially fostering auspicious energy in Feng Shui. Facing South, it stimulates robust 'Fire' energy and offers potential balance, due to its vibrant colors mirroring summer attributes. However, its compatibility may vary, reflecting the intricate, subjective nature of Feng Shui.

Coast rock cress corresponds favorably with the South direction, a location that traditionally symbolises growth and vitality in Feng Shui. The sturdy build-up of this plant reflects the strong Yang energy inherent to the South, promoting positivity and prosperity for occupants. The compatibility, however, is subjective and depends on the individual’s Feng Shui needs.

The dorr's sage exhibits moderate Feng Shui compatibility, embodying both harmony and contrast. Facing South enhances its energy, as it resonates with the element of fire, synonymous with South in Feng Shui. However, due to its peculiar characteristics, its influence may vary, bestowing tranquility or sparking dynamic changes, subject to individual interpretation.

The Feng Shui compatibility of broad buckler fern is considered substantial, on a subjective level. When orientated North, this plant is said to symbolically invite positive energy, largely attributed to its expansive fronds suggestive of growth and prosperity. However, interpretations may differ given the nuanced practice of Feng Shui.

The atlantic white cedar aligns beautifully with East-facing homes, harmonizing energies for a tranquil living environment. Its evergreen essence and upright form foster qi (life force), symbolizing everlasting growth. However, the compatibility may vary reflecting its placement, personal Kua number, or individual preferences.

The cat’s tail euphorbia is often regarded with fondness in Feng Shui, largely due to its distinctive upright growth. This may resemble the auspicious symbol of rising energy, being a potential enhancer of good vibes. Its compatibility with Southwest-facing direction is especially favored, theoretically linked to the Earth element that this direction represents in Feng Shui. The cat’s tail euphorbia's natural ability to thrive on rocky soil, akin to the stability of Earth, could explain this harmonious relationship. However, this is merely one interpretation--remember, the essence of Feng Shui often lies in personal perception and comfort.

The mickey mouse plant is harmoniously suited for rooms facing the South. This is attributed to the plant's vibrant yellow blooms symbolizing fire, which corresponds to South in Feng Shui elements. The placement invites energy, prosperity and is believed to manifest in a lively ambience. However, perceptions may differ across practices and personal energy readings.

The dwarf tulip harmonizes well in a south-facing direction, bearing a profound symbolism of resilience and renewal, resonating with the fiery energy of the South. However, its Feng Shui compatibility is subject to individual interpretations, depending on unique spatial arrangements.