Lilaeopsis brasiliensis, commonly known as the Brazilian Micro Sword, is a popular aquatic plant native to South America, particularly found in countries like Argentina, Brazil, and Paraguay. This plant is recognized for its ability to create lush, grass-like carpets in aquariums, making it a favorite among aquascaping enthusiasts.

Origin

Lilaeopsis brasiliensis thrives in the shallow waters of streams, rivers, and wetlands in its native habitat. Its adaptability to various aquatic environments has contributed to its popularity in the aquarium hobby1.

Light Conditions

This plant requires medium to high lighting for optimal growth. While it can survive in lower light conditions, achieving a dense carpet effect is best under intense light. When provided with sufficient light, Lilaeopsis brasiliensis can grow compactly and reach a height of about 4-7 cm123.

Water Conditions

For healthy growth, Lilaeopsis brasiliensis prefers the following water parameters:

• Temperature: 68°F to 78°F (20°C to 26°C), suitable for tropical conditions.
• pH: Slightly acidic to neutral, ideally between 6.0 and 7.5.
• Water Hardness: Moderate hardness is preferred, with general hardness (GH) between 3 to 8 dGH and carbonate hardness (KH) of 3 to 6 dKH123.

How to Plant

To successfully plant Lilaeopsis brasiliensis in an aquarium:

1. Substrate: Use a nutrient-rich substrate that supports healthy root development.
2. Spacing: Plant small clumps (about 1/8 pot) a few centimeters apart to encourage quicker growth into a dense carpet.
3. Light Exposure: Ensure that the planting area is free from shading by other plants to receive adequate light.
4. Fertilization: Regular fertilization with liquid fertilizers or root tabs will enhance growth and vitality.
5. Propagation: The plant propagates through runners; new plants can be established by separating and replanting these rooted portions124.

By following these guidelines, Lilaeopsis brasiliensis can thrive and enhance the aesthetic appeal of your aquarium with its vibrant green carpet effect