The palapalai exhibits harmonious energy in Feng Shui terms. Being a fern, it represents flexibility which is significant to feng shui followers. Facing East, its verdant growth symbolizes health and vitality, perfectly resonates with Wood Element, that Eastern direction in Feng Shui embodies. Nonetheless, one's personal energy and general household atmosphere also play vital roles in compatibility.

Quack grass retains a subtle flexibility, mirroring the ancient Feng Shui belief of resilience and tenacity. Its compatibility with the Southwest direction can be traced to its inherent Yin properties, complementing the earthy quality of Southwest. Nonetheless, one should mindfully observe the plant's influence in their space, given the nuanced nature of Feng Shui.

The long nipple cactus is harmonious with a Northeast-facing direction, a locus associated with Spiritual Growth and Inner Knowledge in Feng Shui. This is mainly due to the plant's hardy and self-sufficient nature, symbolizing personal resilience and self-discovery. While the actual effects can vary, linking a plant's characteristics to the intended vibrations of the space is a common practice in Feng Shui.

In terms of Feng Shui compatibility, the chinese okra harmonizes favorably with areas of the home facing North. This can be attributed to the plant's inherent qualities and growth trajectory resonating with the Water element associated with the North. However, it's essential to note that individual experiences may vary based on personal energies and specific environments.

The nipa palm is appreciated in Feng Shui for its balance of Yin (soft, feminine energy) and Yang (hard, masculine energy). This palm exudes energy of growth and vitality which can create harmony when placed in North-facing direction. The North direction, according to Feng Shui, governs career and life path— areas where the growth symbolism of nipa palm can be beneficial. This, however, is still subject to personal Feng Shui adjustments.

Marsh rosemary subtly elevates the energy flow in a space when placed in the Northwest direction. According to Feng Shui principles, Northwest is representative of travel and helpful people, resonating harmoniously with the serene aura of this plant. This strategic placement promotes balance and invites positive influences. However, as Feng Shui is highly individual, reactions may vary to this configuration.

The mexican grass tree yields a fusion of rigidity and fluidity, symbolizing balance in Feng Shui. With its preserved nature and longevity, it is considered harmonious with the South facing direction, as it echoes the fiery energy of the South in harmony with the Feng Shui element of fire.

The little evening primrose subtly invokes a sense of tranquility, aligning closely with Feng Shui principles of harmony and balance. This plant prospers when directed towards the South, as this direction is associated with the element of Fire, closely resonating with the plant's energetic manifestation. Remember, in Feng Shui, perspectives may vary.