Petrocosmea is ideally compatible with the Southwest direction due to its compact nature & unique rosette-forming foliage. The geometric pattern complements the Earth element much associated with the Southwest, fostering stability, balance and grounded energy. As Feng Shui prescribes, the precise impact may vary based on individual factors.

In the art of Feng Shui, the tree crinum is an intriguing element. It symbolizes resilience and endurance, traits that attract positive chi. When placed in a north-facing direction, it may enhance the flow of Water energy, as the North is governed by the Element Water in Feng Shui. However, this is interpreted differently across practitioners and scholars. Ultimately, it's the personal connection and perception of the individual that determines the plant's Feng Shui efficacy.

The large-flowered sandrose exudes a quiet strength that aligns well with the energy of the Southwest direction in Feng Shui practice. The plant's vitality and large blossoms symbolize abundance, resonating with the earth element characteristic of the Southwest. However, precise effects always depend on individual settings and intentions.

The hairy dog-rose is generally thought of as an enhancer of positive energy when aligned with the South, due to its vibrant blossoms symbolizing the Fire element, which governs this direction. It's important to note that feelings of harmony and balance are deeply personal, and Feng Shui observations may vary.

The japanese torreya plant harmonizes well within east-facing orientations. The plant's inherent strong wood energy converges with the east's own wood element, fostering subtle auspiciousness and nourishing chi. However, Feng Shui is multifaceted, so other factors may affect this general influence.

In the complex world of Feng Shui, utah penstemon aligns best when placed in the South. The plant's robust vitality resonates with the fiery energies of the South, enhancing overall harmony. This, however, is not definite and might vary with personal chi and situation.

In regard to Feng Shui, sticky coelogyne is enigmatically fitting for a North-facing direction due to its alluring energetic field that presumably echo with the Water element, signifying both wisdom and tranquility commonly associated with the North. It's worth noting that interpretations in Feng Shui can vary, hence the compatibility might differ personally.

Chonosuke hornbeam is believed to possess a harmonious energy flow which aligns well with a Northwest facing direction. This compatibility is thought to be due to its hardy nature, symbolically supporting the Feng Shui metal element dominant in Northwest areas, thereby promoting resilience and steadiness.