Species description

Care, breeding and tankmates

Plant profile

Placement

Background

It is typically placed in the midground or background of the aquarium. Planting in groups creates dense, terraced bushes. It provides a striking contrast to finely leaved plants.

Botanical form

Stem

It is an aquatic stem plant with opposite, fleshy, ovate leaves. The thick stems typically grow straight upward. When crushed, emersed leaves emit a distinct lemony scent.

Growth

Medium

This plant has a moderate to slow growth rate compared to other stem plants. Its steady growth makes it easy to maintain without constant trimming. It rarely becomes invasive or unmanageable.

Substrate

Low

Bacopa caroliniana is highly adaptable and thrives in simple, inert substrates like sand or fine gravel, as its substrate demands are relatively low. Its root system anchors firmly into the substrate layer, effectively stabilizing the stem while extracting basic macronutrients from the surrounding water column and substrate floor. A standard substrate depth of 3 to 5 centimeters is sufficient to secure the cuttings and promote healthy, upright vertical growth. While aqua soils can slightly accelerate its development, they are not strictly necessary for this resilient species.

Column fertilization

Recommended

It primarily absorbs nutrients through its leaves, making liquid column fertilization effective. Regular dosing of potassium, iron, and trace elements is recommended. Consistent nutrient availability prevents stunting and promotes robust leaves.

Root fertilization

None

It develops a healthy root system despite drawing nutrients from the water column. A nutrient-rich substrate or root tabs can enhance its overall vitality. Strong roots anchor the thick stems securely.

Trimming

Occasional

Trimming is straightforward by cutting the stem at the desired height. New side shoots develop from leaf nodes just below the cut. Leaving bottom portions intact forms a dense thicket over time.

Propagation

Cuttings

Propagation is very easy and is done by taking stem cuttings. Top cuttings and side shoots can be replanted directly into the substrate. They quickly develop new roots and grow independently.

Sensitivity

Moderate

It is remarkably hardy and tolerant of various water parameters. It is not particularly sensitive to common aquarium medications. However, very low light can cause lower leaves to deteriorate.

Layout role

Midground, Background

It serves as an excellent structural component in the layout. Its unique leaf texture provides great contrast against red or finely leaved plants. It is highly valued in classic Dutch aquascaping.