Christmas Moss (Vesicularia montagnei) is a stunning aquatic moss named for its distinctive branching fronds that resemble the layered boughs of a Christmas tree. Beloved by aquascapers, it attaches readily to driftwood, rocks, and mesh, creating lush, textured carpets and natural-looking tree structures. It also serves as an ideal refuge for shrimp and fry. Care level: Easy to moderate Lighting: Low to medium CO₂: Not required (benefits from supplementation) Growth rate: Slow to moderate Placement: Foreground, midground, or attached to hardscape Tie or glue to driftwood or rock and allow to establish over several weeks. Trim periodically to maintain a dense, tidy appearance. Thrives in cooler water temperatures (18–24°C).