The cream pincushions plant is believed to have a decent affinity with the Northeast sector of a space. This stems from Feng Shui principles, associating the plant's resilient blossoming nature and soft color palette with the steady, nurturing energies of Earth element dominant in the Northeast direction. However, always consider individual circumstances in applying Feng Shui.

The tibetan ypsilandra aligns most favourably with Southeast-facing homes, known in Feng Shui for harnessing 'Wood' energy—reflecting growth and vitality, akin to the plant's rejuvenating spirit. However, this high-level interpretation may vary among practitioners, thus warranting personal judgement for placement.

The nootka rose aligns harmoniously with the North facing direction, possibly due to its resilient essence which mirrors Water, the element of North. Yet, its interpretation and effect might vary greatly based on individual energy dynamics, revealing the fascinating complexity of Feng Shui.

The tennessee purple coneflower complements the energy flow of an East-facing setting. Known for its robust vitality, it aligns with the Wood element, dominant in the Eastern aspect. While it's certainly delightful, Feng Shui application varies greatly based on individual circumstances; thus, comprehensive evaluation is always recommended.

As for the Feng Shui compatibility of the sugar Pine, its majestic stature and soft needle foliage lend yin energy, effectively counterbalancing yang spaces. A south-facing positioning is fitting as sugar Pine's growth mimics the sun's trajectory, symbolizing continuous self-development and prosperity. Please bear in mind, Feng Shui interpretations are holistic and can vary widely.

The redleaf rose is an intriguing addition to any space, often seen as a detonator of good energy. Specifically, when oriented South, it might draw on its fiery red hues, mirroring the Element of Fire. This could potentially harmonize energies and encourage prosperity, although interpretations can indeed fluctuate with differing Feng Shui perspectives.

In light of Feng Shui, the texas nipple cactus subtly enhances energy flow with its calming green hue and rounded form. Best suited to the Northeast sector of your space, it invites wisdom and self-growth, embodying the earth element, traditionally linked to this direction. Bear in mind, individual experiences may vary as Feng Shui integrates with personal energies in unique ways.

The starry false lily of the valley exhibits moderate Feng Shui compatibility. With a subtle, yet vibrant aura, it tends to harmonize energy flow when placed in northern areas. North symbolizes water, complementing starry false lily of the valley's moisture-loving nature, yet needs subtle energy adjustments for optimal balance. Remember, Feng Shui interpretations may vary by practitioner.