Scientific Name: Ludwigia arcuata
Common Name: Needle Leaf Ludwigia, Narrow Leaf Ludwigia
Origin: North America
Growth Rate: Moderate to Fast
Difficulty Level: Moderate
Temperature: 20–28°C
pH: 5.5–7.5
GH: 2–12 dGH
KH: 0–8 dKH
High lighting is recommended for optimal coloration.
Strong light promotes vibrant shades of orange, red, and reddish-brown.
Under lower light conditions, the plant remains greener and develops longer internodes.
CO₂ supplementation is highly beneficial.
Encourages compact growth, faster development, and enhanced coloration.
While adaptable to low-tech aquariums, the plant displays its best form and color under stable CO₂ injection.
Requires regular supplementation of macro and micronutrients.
Adequate nitrate, phosphate, potassium, and trace elements support vigorous growth.
Iron supplementation helps intensify red and orange coloration.
Consistent fertilization prevents pale growth and nutrient deficiencies.
Best suited for the midground to background.
Often used as a colorful accent plant due to its fine, needle-like foliage.
Creates beautiful contrast with green stem plants and broad-leaved species.
Easily propagated through stem cuttings.
Cut healthy stem tops and replant them into the substrate.
Remaining stems readily produce side shoots, resulting in denser growth.
Plant stems in groups to create a fuller, bushier appearance.
Regular trimming encourages dense branching and compact growth.
Stable CO₂ and nutrient levels help maintain vibrant coloration.
Good water circulation supports healthy growth and reduces algae buildup on delicate leaves.
Ludwigia arcuata is a highly attractive stem plant valued for its delicate needle-like leaves and brilliant orange to red coloration. Its fine texture provides excellent contrast with broader-leaved aquatic plants, while its vibrant colors create striking focal points in planted aquariums. With strong lighting, stable CO₂ supplementation, and balanced fertilization, it forms dense, colorful groups that enhance the depth, texture, and visual appeal of Nature, Dutch, and high-tech aquascapes.
