The tree of heaven is viewed as a symbol of majesty in Feng Shui, resonating harmoniously with positive energy. Its placement in the Southeast direction may enhance abundance and prosperity, thanks to the governing element of wood in this area; the tree of heaven could thus serve as a potent symbol of growth and expansion. Yet, its interpretation may vary, underscoring the balanced ambiguity of Feng Shui.

The butterwort is generally considered harmonious with a Northwest-facing orientation in Feng Shui philosophy. The metallic attribute of the Northwest, linked to helpful people and travel, appears to resonate with the natural qualities of the butterwort. However, as Feng Shui is deeply personal and subjective, individual experiences may vary.

According to Feng Shui principles, the himalayan pine may emit positive energy when it's aligned to the East. This could be due to the East representing the Wood element, which aligns with the plant's nature. However, perceptions may differ and endorsement of this view isn't universal.

The rubber tree plant is widely regarded as symbolizing wealth, abundance, and luck in Feng Shui. Facing East, it may stimulate growth energy due to its inherent vibrancy and the Eastern direction's association with renewal. However, its interpretation remains open, fitting well into the intrinsic flexibility of Feng Shui.

The european blackberry harmonizes particularly well with the East-facing spaces, due to its energizing nature that resonates with the vibrant energy represented in that particular direction. However, specific levities and discrepancies in Feng Shui interpretations may sway this compatibility.

The common mare's-tail is generally considered agreeable in several Feng Shui practices, often utilized in areas that require balance and harmony. Facing North, it might serve as an energetic barrier, given water's representative element in this direction and the plant's natural affinity for aquatic environments. Nevertheless, individual interpretations can vary.

Blue Grama shares an enigmatic bond with the Southeast. In Feng Shui, this direction is grounded by the Wood Element. Blue Grama’s resilient adaptability, signifying the endurance characteristic of the Wood element, vividly harmonizes with this energy. However, this is an interpretative field, and individual experiences may vary remarkably.

The chinese globeflower cautiously captures positive energy due to its round shape, symbolic of unity in Feng Shui. Facing North could potentially engage water energy, amplifying the plant's inherent Earth energy. However, remember, Feng Shui's interpretation is highly personalized and can vary among practitioners.