Species description

Care, breeding and tankmates

Plant profile

Placement

Midground

This species is best placed in the midground or background of the aquarium. It requires intense lighting, so it should not be shadowed by hardscape or taller plants. It looks best when planted in a dense, staggered group.

Botanical form

Stem

It features narrow, lanceolate leaves that take on a rich, dark orange to rusty red hue when grown in ideal conditions. The growth is upright, with stems that can become quite thick and sturdy. The underside of the leaves often displays a deeper red or magenta tone.

Growth

Medium

With high light and CO2, it grows at a moderately fast pace, quickly reaching the water surface. In less intense conditions, its growth is slower and its leaves tend to stay more green than orange. Frequent trimming is required to maintain its shape in optimal conditions.

Substrate

High

Ludwigia sp. 'Dark Orange' requires a nutrient-rich substrate to maximize its intense orange and red hues and support rapid stem growth. Planting in at least 2 inches of fine aqua soil allows its fine root hairs to quickly establish and stabilize the plant. The roots are highly efficient at drawing up iron and micronutrients from the base, making active soils or supplemented gravel ideal for its long-term health.

Column fertilization

Recommended

A comprehensive liquid fertilizer dosing regime is necessary to maintain its striking coloration. It responds very well to regular doses of iron and micronutrients. Consistent nitrate and phosphate availability ensures the leaves remain large and healthy.

Root fertilization

Recommended

A nutrient-rich substrate such as aquasoil is highly recommended for optimal growth. Providing root tabs can also be beneficial, especially in mature tanks where substrate nutrients may be depleted. Strong roots contribute to the overall thickness and health of the stems.

Trimming

Occasional

To shape the plant, cut the stems mid-way; the rooted bases will quickly push out new side branches. Replant the healthy tops to expand the bush or replace older, woody bases. Trimming slightly lower each time helps maintain a dense, bushy appearance.

Propagation

Cuttings

Propagation is straightforward via stem cuttings. Cut a healthy portion of the stem and gently push it into the substrate. It will quickly develop new roots and continue growing upward.

Sensitivity

Moderate

It is susceptible to losing its vibrant color if light levels drop or if overshadowed by other plants. It is generally hardy but prefers stable, clean water with good flow. Drastic changes in water parameters can lead to temporary stunting or algae issues.

Layout role

Midground, Background

Ludwigia sp. 'Dark Orange' is a superb choice for adding warm, fiery tones to the aquascape. It contrasts beautifully with bright green plants and complements dark hardscape materials. It is often used to create vibrant background thickets or midground color accents.