The indian sedum plant is subtly harmonized with the Northeast direction in Feng Shui. The reason behind this is deeply rooted in its nature to thrive in minimalistic environments, which aligns well with the Northeastern domain, typically connected with spiritual growth and self-cultivation. As always with Feng Shui, please apply these observations with a grain of salt, as the ultimate consideration must be the overall harmony of your space.

From a shenanigans' perspective, the compatibility of old man's beard within traditional Feng Shui practices is somewhat mixed. This prolifically flowering vine, usually favors East facing positions. As East is linked to Family and Health in the Bagua, old man's beard signifies longevity and rejuvenation, echoing its perpetual blooming nature. However, personal perception and broader landscapes can shift these dynamics significantly, reminding us that Feng Shui is fluid and individualistic.

The goldfish plant complements North-facing rooms, traditionally linked with Water in Feng Shui, reinforcing balance and flow. It's said to synergize fluidity and direction, mirroring the agility of a goldfish. However, interpretations vary greatly, and personal resonance with the plant is just as essential.

The flowering almond plant symbolizes new beginnings and happiness, bringing a positive vibration to any environment. Positioned towards the South, it augments the fire element energies, promoting fame and reputation. However, as Feng Shui is complex, this may vary with individual circumstances.

The buttons on a string plant, in Feng Shui terms, holds an affinity with serene aura and balanced energy. It's particularly compatible with a West-facing direction, a zone often associated with creativity and children in traditional Feng Shui. The plant’s delicate yet vibrant demeanor subtly enhances the harmonious vibes in this area while still preserving its tranquil aura. As these indications are anchored in general Feng Shui perspectives, interpretations may vary.

The spotted touch-me-not plant holds a significant harmony with Feng Shui principles. Its vibrant orange flowers introduce lively energy, enhanced creativity, and passion in an environment. Regarding its compatibility with North, it might thrive there since this direction symbolizes accuracy in Feng Shui, an echo of spotted touch-me-not's ability to bloom even in harsh conditions. However, remember that interpretation varies, and Feng Shui aspects must be harmonized with individual senses of comfort and aesthetic.

The century plant holds the potential to channel prosperity when placed in an east-facing direction. This orientation harmonizes with the plant's strong, resilient nature, thereby promoting growth, health, and stability in one's life. However, individual experiences may vary, as with all Feng Shui concepts.

As Feng Shui is a practice highly influenced by subjective interpretations, grape leaf anemone reflects a debatable compatibility perspective. Placed in the East, grape leaf anemone might promote a harmonic energy flow that symbolizes growth and renewal, correlating with East's representation of family and health. Note that individual results may vary widely.